Home / 40,395.32-55,744.94-22,490.28

Finding the Fourth Proportional to 40,395.32, 55,744.94 and 22,490.28

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Solution

The fourth proportional to 40,395.32, 55,744.94 and 22,490.28 is: 31,036.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395.32 : 55,744.94 = 22,490.28 : x
  2. Step 2: Convert to fraction form
    40,395.32/55,744.94 = 22,490.28/x
  3. Step 3: Cross multiply
    40,395.32x = 55,744.94 × 22,490.28
  4. Step 4: Simplify right side
    40,395.32x = 1,253,719,309.18
  5. Step 5: Solve for x
    x = 1,253,719,309.18/40,395.32
  6. Step 6: Final answer
    x = 31,036.25

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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.