Home / 45,092.10-67,654.56-21,406.89

Finding the Fourth Proportional to 45,092.10, 67,654.56 and 21,406.89

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Solution

The fourth proportional to 45,092.10, 67,654.56 and 21,406.89 is: 32,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,092.10 : 67,654.56 = 21,406.89 : x
  2. Step 2: Convert to fraction form
    45,092.10/67,654.56 = 21,406.89/x
  3. Step 3: Cross multiply
    45,092.10x = 67,654.56 × 21,406.89
  4. Step 4: Simplify right side
    45,092.10x = 1,448,273,723.92
  5. Step 5: Solve for x
    x = 1,448,273,723.92/45,092.10
  6. Step 6: Final answer
    x = 32,118.13

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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.