Home / 42,205.68-63,309.24-34,781.04

Finding the Fourth Proportional to 42,205.68, 63,309.24 and 34,781.04

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Solution

The fourth proportional to 42,205.68, 63,309.24 and 34,781.04 is: 52,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.68 : 63,309.24 = 34,781.04 : x
  2. Step 2: Convert to fraction form
    42,205.68/63,309.24 = 34,781.04/x
  3. Step 3: Cross multiply
    42,205.68x = 63,309.24 × 34,781.04
  4. Step 4: Simplify right side
    42,205.68x = 2,201,961,208.81
  5. Step 5: Solve for x
    x = 2,201,961,208.81/42,205.68
  6. Step 6: Final answer
    x = 52,172.15

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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.