Home / 42,424.90-63,550.95-21,660.10

Finding the Fourth Proportional to 42,424.90, 63,550.95 and 21,660.10

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Solution

The fourth proportional to 42,424.90, 63,550.95 and 21,660.10 is: 32,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,424.90 : 63,550.95 = 21,660.10 : x
  2. Step 2: Convert to fraction form
    42,424.90/63,550.95 = 21,660.10/x
  3. Step 3: Cross multiply
    42,424.90x = 63,550.95 × 21,660.10
  4. Step 4: Simplify right side
    42,424.90x = 1,376,519,932.10
  5. Step 5: Solve for x
    x = 1,376,519,932.10/42,424.90
  6. Step 6: Final answer
    x = 32,446.04

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1.5x scale

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.