Home / 38,002.13-52,442.94-21,235.13

Finding the Fourth Proportional to 38,002.13, 52,442.94 and 21,235.13

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Solution

The fourth proportional to 38,002.13, 52,442.94 and 21,235.13 is: 29,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.13 : 52,442.94 = 21,235.13 : x
  2. Step 2: Convert to fraction form
    38,002.13/52,442.94 = 21,235.13/x
  3. Step 3: Cross multiply
    38,002.13x = 52,442.94 × 21,235.13
  4. Step 4: Simplify right side
    38,002.13x = 1,113,632,386.27
  5. Step 5: Solve for x
    x = 1,113,632,386.27/38,002.13
  6. Step 6: Final answer
    x = 29,304.48

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.