Home / 42,068.40-63,084.12-15,754.70

Finding the Fourth Proportional to 42,068.40, 63,084.12 and 15,754.70

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Solution

The fourth proportional to 42,068.40, 63,084.12 and 15,754.70 is: 23,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,068.40 : 63,084.12 = 15,754.70 : x
  2. Step 2: Convert to fraction form
    42,068.40/63,084.12 = 15,754.70/x
  3. Step 3: Cross multiply
    42,068.40x = 63,084.12 × 15,754.70
  4. Step 4: Simplify right side
    42,068.40x = 993,871,385.36
  5. Step 5: Solve for x
    x = 993,871,385.36/42,068.40
  6. Step 6: Final answer
    x = 23,625.13

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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.