Home / 42,587.52-63,882-14,124.60

Finding the Fourth Proportional to 42,587.52, 63,882 and 14,124.60

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Solution

The fourth proportional to 42,587.52, 63,882 and 14,124.60 is: 21,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.52 : 63,882 = 14,124.60 : x
  2. Step 2: Convert to fraction form
    42,587.52/63,882 = 14,124.60/x
  3. Step 3: Cross multiply
    42,587.52x = 63,882 × 14,124.60
  4. Step 4: Simplify right side
    42,587.52x = 902,307,697.20
  5. Step 5: Solve for x
    x = 902,307,697.20/42,587.52
  6. Step 6: Final answer
    x = 21,187.14

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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.