Home / 42,084.35-63,131.99-15,430.29

Finding the Fourth Proportional to 42,084.35, 63,131.99 and 15,430.29

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Solution

The fourth proportional to 42,084.35, 63,131.99 and 15,430.29 is: 23,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,084.35 : 63,131.99 = 15,430.29 : x
  2. Step 2: Convert to fraction form
    42,084.35/63,131.99 = 15,430.29/x
  3. Step 3: Cross multiply
    42,084.35x = 63,131.99 × 15,430.29
  4. Step 4: Simplify right side
    42,084.35x = 974,144,913.98
  5. Step 5: Solve for x
    x = 974,144,913.98/42,084.35
  6. Step 6: Final answer
    x = 23,147.44

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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.