Home / 40,042.35-55,253.54-22,134.87

Finding the Fourth Proportional to 40,042.35, 55,253.54 and 22,134.87

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Solution

The fourth proportional to 40,042.35, 55,253.54 and 22,134.87 is: 30,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.35 : 55,253.54 = 22,134.87 : x
  2. Step 2: Convert to fraction form
    40,042.35/55,253.54 = 22,134.87/x
  3. Step 3: Cross multiply
    40,042.35x = 55,253.54 × 22,134.87
  4. Step 4: Simplify right side
    40,042.35x = 1,223,029,980.28
  5. Step 5: Solve for x
    x = 1,223,029,980.28/40,042.35
  6. Step 6: Final answer
    x = 30,543.41

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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.