Home / 40,375.48-55,717.74-22,470.18

Finding the Fourth Proportional to 40,375.48, 55,717.74 and 22,470.18

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Solution

The fourth proportional to 40,375.48, 55,717.74 and 22,470.18 is: 31,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,375.48 : 55,717.74 = 22,470.18 : x
  2. Step 2: Convert to fraction form
    40,375.48/55,717.74 = 22,470.18/x
  3. Step 3: Cross multiply
    40,375.48x = 55,717.74 × 22,470.18
  4. Step 4: Simplify right side
    40,375.48x = 1,251,987,646.99
  5. Step 5: Solve for x
    x = 1,251,987,646.99/40,375.48
  6. Step 6: Final answer
    x = 31,008.61

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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.