Home / 38,118.53-57,176.89-13,157.71

Finding the Fourth Proportional to 38,118.53, 57,176.89 and 13,157.71

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Solution

The fourth proportional to 38,118.53, 57,176.89 and 13,157.71 is: 19,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,118.53 : 57,176.89 = 13,157.71 : x
  2. Step 2: Convert to fraction form
    38,118.53/57,176.89 = 13,157.71/x
  3. Step 3: Cross multiply
    38,118.53x = 57,176.89 × 13,157.71
  4. Step 4: Simplify right side
    38,118.53x = 752,316,761.49
  5. Step 5: Solve for x
    x = 752,316,761.49/38,118.53
  6. Step 6: Final answer
    x = 19,736.25

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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.