Home / 34,342.98-47,397.30-20,922.12

Finding the Fourth Proportional to 34,342.98, 47,397.30 and 20,922.12

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Solution

The fourth proportional to 34,342.98, 47,397.30 and 20,922.12 is: 28,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,342.98 : 47,397.30 = 20,922.12 : x
  2. Step 2: Convert to fraction form
    34,342.98/47,397.30 = 20,922.12/x
  3. Step 3: Cross multiply
    34,342.98x = 47,397.30 × 20,922.12
  4. Step 4: Simplify right side
    34,342.98x = 991,651,998.28
  5. Step 5: Solve for x
    x = 991,651,998.28/34,342.98
  6. Step 6: Final answer
    x = 28,874.95

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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.