Home / 40,539.76-55,938.20-22,631.87

Finding the Fourth Proportional to 40,539.76, 55,938.20 and 22,631.87

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Solution

The fourth proportional to 40,539.76, 55,938.20 and 22,631.87 is: 31,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.76 : 55,938.20 = 22,631.87 : x
  2. Step 2: Convert to fraction form
    40,539.76/55,938.20 = 22,631.87/x
  3. Step 3: Cross multiply
    40,539.76x = 55,938.20 × 22,631.87
  4. Step 4: Simplify right side
    40,539.76x = 1,265,986,097.12
  5. Step 5: Solve for x
    x = 1,265,986,097.12/40,539.76
  6. Step 6: Final answer
    x = 31,228.26

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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.