Home / 42,216.48-63,331.20-14,508

Finding the Fourth Proportional to 42,216.48, 63,331.20 and 14,508

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Solution

The fourth proportional to 42,216.48, 63,331.20 and 14,508 is: 21,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,216.48 : 63,331.20 = 14,508 : x
  2. Step 2: Convert to fraction form
    42,216.48/63,331.20 = 14,508/x
  3. Step 3: Cross multiply
    42,216.48x = 63,331.20 × 14,508
  4. Step 4: Simplify right side
    42,216.48x = 918,809,049.60
  5. Step 5: Solve for x
    x = 918,809,049.60/42,216.48
  6. Step 6: Final answer
    x = 21,764.23

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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.