Home / 42,458.22-63,687.24-11,293.47

Finding the Fourth Proportional to 42,458.22, 63,687.24 and 11,293.47

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Solution

The fourth proportional to 42,458.22, 63,687.24 and 11,293.47 is: 16,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,458.22 : 63,687.24 = 11,293.47 : x
  2. Step 2: Convert to fraction form
    42,458.22/63,687.24 = 11,293.47/x
  3. Step 3: Cross multiply
    42,458.22x = 63,687.24 × 11,293.47
  4. Step 4: Simplify right side
    42,458.22x = 719,249,934.32
  5. Step 5: Solve for x
    x = 719,249,934.32/42,458.22
  6. Step 6: Final answer
    x = 16,940.18

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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.