Home / 40,086.02-55,310.85-22,177.68

Finding the Fourth Proportional to 40,086.02, 55,310.85 and 22,177.68

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Solution

The fourth proportional to 40,086.02, 55,310.85 and 22,177.68 is: 30,600.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.02 : 55,310.85 = 22,177.68 : x
  2. Step 2: Convert to fraction form
    40,086.02/55,310.85 = 22,177.68/x
  3. Step 3: Cross multiply
    40,086.02x = 55,310.85 × 22,177.68
  4. Step 4: Simplify right side
    40,086.02x = 1,226,666,331.83
  5. Step 5: Solve for x
    x = 1,226,666,331.83/40,086.02
  6. Step 6: Final answer
    x = 30,600.85

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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.