Home / 38,073.75-52,517.40-30,538.17

Finding the Fourth Proportional to 38,073.75, 52,517.40 and 30,538.17

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Solution

The fourth proportional to 38,073.75, 52,517.40 and 30,538.17 is: 42,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.75 : 52,517.40 = 30,538.17 : x
  2. Step 2: Convert to fraction form
    38,073.75/52,517.40 = 30,538.17/x
  3. Step 3: Cross multiply
    38,073.75x = 52,517.40 × 30,538.17
  4. Step 4: Simplify right side
    38,073.75x = 1,603,785,289.16
  5. Step 5: Solve for x
    x = 1,603,785,289.16/38,073.75
  6. Step 6: Final answer
    x = 42,123.12

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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.