Home / 40,079.60-55,310.09-22,174.89

Finding the Fourth Proportional to 40,079.60, 55,310.09 and 22,174.89

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Solution

The fourth proportional to 40,079.60, 55,310.09 and 22,174.89 is: 30,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.60 : 55,310.09 = 22,174.89 : x
  2. Step 2: Convert to fraction form
    40,079.60/55,310.09 = 22,174.89/x
  3. Step 3: Cross multiply
    40,079.60x = 55,310.09 × 22,174.89
  4. Step 4: Simplify right side
    40,079.60x = 1,226,495,050.77
  5. Step 5: Solve for x
    x = 1,226,495,050.77/40,079.60
  6. Step 6: Final answer
    x = 30,601.48

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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.