Home / 40,124.64-55,367.10-22,218.66

Finding the Fourth Proportional to 40,124.64, 55,367.10 and 22,218.66

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Solution

The fourth proportional to 40,124.64, 55,367.10 and 22,218.66 is: 30,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,124.64 : 55,367.10 = 22,218.66 : x
  2. Step 2: Convert to fraction form
    40,124.64/55,367.10 = 22,218.66/x
  3. Step 3: Cross multiply
    40,124.64x = 55,367.10 × 22,218.66
  4. Step 4: Simplify right side
    40,124.64x = 1,230,182,770.09
  5. Step 5: Solve for x
    x = 1,230,182,770.09/40,124.64
  6. Step 6: Final answer
    x = 30,659.04

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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.