Home / 42,446.30-63,622.95-21,352.70

Finding the Fourth Proportional to 42,446.30, 63,622.95 and 21,352.70

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Solution

The fourth proportional to 42,446.30, 63,622.95 and 21,352.70 is: 32,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,446.30 : 63,622.95 = 21,352.70 : x
  2. Step 2: Convert to fraction form
    42,446.30/63,622.95 = 21,352.70/x
  3. Step 3: Cross multiply
    42,446.30x = 63,622.95 × 21,352.70
  4. Step 4: Simplify right side
    42,446.30x = 1,358,521,764.47
  5. Step 5: Solve for x
    x = 1,358,521,764.47/42,446.30
  6. Step 6: Final answer
    x = 32,005.66

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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.