Home / 40,428.28-55,789.62-22,522.36

Finding the Fourth Proportional to 40,428.28, 55,789.62 and 22,522.36

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Solution

The fourth proportional to 40,428.28, 55,789.62 and 22,522.36 is: 31,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.28 : 55,789.62 = 22,522.36 : x
  2. Step 2: Convert to fraction form
    40,428.28/55,789.62 = 22,522.36/x
  3. Step 3: Cross multiply
    40,428.28x = 55,789.62 × 22,522.36
  4. Step 4: Simplify right side
    40,428.28x = 1,256,513,905.90
  5. Step 5: Solve for x
    x = 1,256,513,905.90/40,428.28
  6. Step 6: Final answer
    x = 31,080.07

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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.