Home / 40,428.60-55,784.82-22,519.56

Finding the Fourth Proportional to 40,428.60, 55,784.82 and 22,519.56

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Solution

The fourth proportional to 40,428.60, 55,784.82 and 22,519.56 is: 31,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.60 : 55,784.82 = 22,519.56 : x
  2. Step 2: Convert to fraction form
    40,428.60/55,784.82 = 22,519.56/x
  3. Step 3: Cross multiply
    40,428.60x = 55,784.82 × 22,519.56
  4. Step 4: Simplify right side
    40,428.60x = 1,256,249,601.08
  5. Step 5: Solve for x
    x = 1,256,249,601.08/40,428.60
  6. Step 6: Final answer
    x = 31,073.29

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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.