Home / 40,166.76-55,417.46-23,168.72

Finding the Fourth Proportional to 40,166.76, 55,417.46 and 23,168.72

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Solution

The fourth proportional to 40,166.76, 55,417.46 and 23,168.72 is: 31,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166.76 : 55,417.46 = 23,168.72 : x
  2. Step 2: Convert to fraction form
    40,166.76/55,417.46 = 23,168.72/x
  3. Step 3: Cross multiply
    40,166.76x = 55,417.46 × 23,168.72
  4. Step 4: Simplify right side
    40,166.76x = 1,283,951,613.85
  5. Step 5: Solve for x
    x = 1,283,951,613.85/40,166.76
  6. Step 6: Final answer
    x = 31,965.53

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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.