Home / 34,451.73-47,542.13-21,045.42

Finding the Fourth Proportional to 34,451.73, 47,542.13 and 21,045.42

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Solution

The fourth proportional to 34,451.73, 47,542.13 and 21,045.42 is: 29,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.73 : 47,542.13 = 21,045.42 : x
  2. Step 2: Convert to fraction form
    34,451.73/47,542.13 = 21,045.42/x
  3. Step 3: Cross multiply
    34,451.73x = 47,542.13 × 21,045.42
  4. Step 4: Simplify right side
    34,451.73x = 1,000,543,988.32
  5. Step 5: Solve for x
    x = 1,000,543,988.32/34,451.73
  6. Step 6: Final answer
    x = 29,041.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.