Home / 34,154.60-47,126.22-20,732.92

Finding the Fourth Proportional to 34,154.60, 47,126.22 and 20,732.92

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Solution

The fourth proportional to 34,154.60, 47,126.22 and 20,732.92 is: 28,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,154.60 : 47,126.22 = 20,732.92 : x
  2. Step 2: Convert to fraction form
    34,154.60/47,126.22 = 20,732.92/x
  3. Step 3: Cross multiply
    34,154.60x = 47,126.22 × 20,732.92
  4. Step 4: Simplify right side
    34,154.60x = 977,064,149.16
  5. Step 5: Solve for x
    x = 977,064,149.16/34,154.60
  6. Step 6: Final answer
    x = 28,607.10

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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.