Home / 40,572.12-55,983-22,666.20

Finding the Fourth Proportional to 40,572.12, 55,983 and 22,666.20

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Solution

The fourth proportional to 40,572.12, 55,983 and 22,666.20 is: 31,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.12 : 55,983 = 22,666.20 : x
  2. Step 2: Convert to fraction form
    40,572.12/55,983 = 22,666.20/x
  3. Step 3: Cross multiply
    40,572.12x = 55,983 × 22,666.20
  4. Step 4: Simplify right side
    40,572.12x = 1,268,921,874.60
  5. Step 5: Solve for x
    x = 1,268,921,874.60/40,572.12
  6. Step 6: Final answer
    x = 31,275.71

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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.