Home / 38,278.47-57,434.13-13,304.89

Finding the Fourth Proportional to 38,278.47, 57,434.13 and 13,304.89

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Solution

The fourth proportional to 38,278.47, 57,434.13 and 13,304.89 is: 19,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,278.47 : 57,434.13 = 13,304.89 : x
  2. Step 2: Convert to fraction form
    38,278.47/57,434.13 = 13,304.89/x
  3. Step 3: Cross multiply
    38,278.47x = 57,434.13 × 13,304.89
  4. Step 4: Simplify right side
    38,278.47x = 764,154,853.69
  5. Step 5: Solve for x
    x = 764,154,853.69/38,278.47
  6. Step 6: Final answer
    x = 19,963.04

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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.