Home / 34,159.60-47,133.08-20,737.92

Finding the Fourth Proportional to 34,159.60, 47,133.08 and 20,737.92

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Solution

The fourth proportional to 34,159.60, 47,133.08 and 20,737.92 is: 28,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.60 : 47,133.08 = 20,737.92 : x
  2. Step 2: Convert to fraction form
    34,159.60/47,133.08 = 20,737.92/x
  3. Step 3: Cross multiply
    34,159.60x = 47,133.08 × 20,737.92
  4. Step 4: Simplify right side
    34,159.60x = 977,442,042.39
  5. Step 5: Solve for x
    x = 977,442,042.39/34,159.60
  6. Step 6: Final answer
    x = 28,613.98

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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.