Home / 38,278.41-52,820.59-22,143.13

Finding the Fourth Proportional to 38,278.41, 52,820.59 and 22,143.13

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Solution

The fourth proportional to 38,278.41, 52,820.59 and 22,143.13 is: 30,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.41 : 52,820.59 = 22,143.13 : x
  2. Step 2: Convert to fraction form
    38,278.41/52,820.59 = 22,143.13/x
  3. Step 3: Cross multiply
    38,278.41x = 52,820.59 × 22,143.13
  4. Step 4: Simplify right side
    38,278.41x = 1,169,613,191.05
  5. Step 5: Solve for x
    x = 1,169,613,191.05/38,278.41
  6. Step 6: Final answer
    x = 30,555.43

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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.