Home / 40,886.16-56,424-22,982.80

Finding the Fourth Proportional to 40,886.16, 56,424 and 22,982.80

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Solution

The fourth proportional to 40,886.16, 56,424 and 22,982.80 is: 31,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,886.16 : 56,424 = 22,982.80 : x
  2. Step 2: Convert to fraction form
    40,886.16/56,424 = 22,982.80/x
  3. Step 3: Cross multiply
    40,886.16x = 56,424 × 22,982.80
  4. Step 4: Simplify right side
    40,886.16x = 1,296,781,507.20
  5. Step 5: Solve for x
    x = 1,296,781,507.20/40,886.16
  6. Step 6: Final answer
    x = 31,716.88

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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.