Home / 42,114.29-63,173.86-15,819.26

Finding the Fourth Proportional to 42,114.29, 63,173.86 and 15,819.26

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Solution

The fourth proportional to 42,114.29, 63,173.86 and 15,819.26 is: 23,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,114.29 : 63,173.86 = 15,819.26 : x
  2. Step 2: Convert to fraction form
    42,114.29/63,173.86 = 15,819.26/x
  3. Step 3: Cross multiply
    42,114.29x = 63,173.86 × 15,819.26
  4. Step 4: Simplify right side
    42,114.29x = 999,363,361.13
  5. Step 5: Solve for x
    x = 999,363,361.13/42,114.29
  6. Step 6: Final answer
    x = 23,729.80

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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.