Home / 38,103.33-57,158.75-13,140.11

Finding the Fourth Proportional to 38,103.33, 57,158.75 and 13,140.11

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Solution

The fourth proportional to 38,103.33, 57,158.75 and 13,140.11 is: 19,711.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.33 : 57,158.75 = 13,140.11 : x
  2. Step 2: Convert to fraction form
    38,103.33/57,158.75 = 13,140.11/x
  3. Step 3: Cross multiply
    38,103.33x = 57,158.75 × 13,140.11
  4. Step 4: Simplify right side
    38,103.33x = 751,072,262.46
  5. Step 5: Solve for x
    x = 751,072,262.46/38,103.33
  6. Step 6: Final answer
    x = 19,711.46

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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.