Home / 38,002.17-57,015.56-18,278.16

Finding the Fourth Proportional to 38,002.17, 57,015.56 and 18,278.16

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Solution

The fourth proportional to 38,002.17, 57,015.56 and 18,278.16 is: 27,423.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.17 : 57,015.56 = 18,278.16 : x
  2. Step 2: Convert to fraction form
    38,002.17/57,015.56 = 18,278.16/x
  3. Step 3: Cross multiply
    38,002.17x = 57,015.56 × 18,278.16
  4. Step 4: Simplify right side
    38,002.17x = 1,042,139,436.78
  5. Step 5: Solve for x
    x = 1,042,139,436.78/38,002.17
  6. Step 6: Final answer
    x = 27,423.16

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Half scale
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Double scale
Find fourth proportional to 38,003.17, 57,017.06 and 18,279.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.