Home / 30,755.28-42,444.90-17,329.17

Finding the Fourth Proportional to 30,755.28, 42,444.90 and 17,329.17

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Solution

The fourth proportional to 30,755.28, 42,444.90 and 17,329.17 is: 23,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.28 : 42,444.90 = 17,329.17 : x
  2. Step 2: Convert to fraction form
    30,755.28/42,444.90 = 17,329.17/x
  3. Step 3: Cross multiply
    30,755.28x = 42,444.90 × 17,329.17
  4. Step 4: Simplify right side
    30,755.28x = 735,534,887.73
  5. Step 5: Solve for x
    x = 735,534,887.73/30,755.28
  6. Step 6: Final answer
    x = 23,915.73

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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.