Home / 42,337.87-63,498.70-21,272.08

Finding the Fourth Proportional to 42,337.87, 63,498.70 and 21,272.08

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Solution

The fourth proportional to 42,337.87, 63,498.70 and 21,272.08 is: 31,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,337.87 : 63,498.70 = 21,272.08 : x
  2. Step 2: Convert to fraction form
    42,337.87/63,498.70 = 21,272.08/x
  3. Step 3: Cross multiply
    42,337.87x = 63,498.70 × 21,272.08
  4. Step 4: Simplify right side
    42,337.87x = 1,350,749,426.30
  5. Step 5: Solve for x
    x = 1,350,749,426.30/42,337.87
  6. Step 6: Final answer
    x = 31,904.05

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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.