Home / 42,545.52-63,857.63-21,500.37

Finding the Fourth Proportional to 42,545.52, 63,857.63 and 21,500.37

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Solution

The fourth proportional to 42,545.52, 63,857.63 and 21,500.37 is: 32,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,545.52 : 63,857.63 = 21,500.37 : x
  2. Step 2: Convert to fraction form
    42,545.52/63,857.63 = 21,500.37/x
  3. Step 3: Cross multiply
    42,545.52x = 63,857.63 × 21,500.37
  4. Step 4: Simplify right side
    42,545.52x = 1,372,962,726.07
  5. Step 5: Solve for x
    x = 1,372,962,726.07/42,545.52
  6. Step 6: Final answer
    x = 32,270.44

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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.