Home / 40,395.60-55,744.47-22,490.15

Finding the Fourth Proportional to 40,395.60, 55,744.47 and 22,490.15

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Solution

The fourth proportional to 40,395.60, 55,744.47 and 22,490.15 is: 31,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.60 : 55,744.47 = 22,490.15 : x
  2. Step 2: Convert to fraction form
    40,395.60/55,744.47 = 22,490.15/x
  3. Step 3: Cross multiply
    40,395.60x = 55,744.47 × 22,490.15
  4. Step 4: Simplify right side
    40,395.60x = 1,253,701,213.25
  5. Step 5: Solve for x
    x = 1,253,701,213.25/40,395.60
  6. Step 6: Final answer
    x = 31,035.59

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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.