Home / 40,342.60-55,668.49-22,434.72

Finding the Fourth Proportional to 40,342.60, 55,668.49 and 22,434.72

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Solution

The fourth proportional to 40,342.60, 55,668.49 and 22,434.72 is: 30,957.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,342.60 : 55,668.49 = 22,434.72 : x
  2. Step 2: Convert to fraction form
    40,342.60/55,668.49 = 22,434.72/x
  3. Step 3: Cross multiply
    40,342.60x = 55,668.49 × 22,434.72
  4. Step 4: Simplify right side
    40,342.60x = 1,248,906,985.97
  5. Step 5: Solve for x
    x = 1,248,906,985.97/40,342.60
  6. Step 6: Final answer
    x = 30,957.52

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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.