Home / 40,421.25-55,781.33-23,654.25

Finding the Fourth Proportional to 40,421.25, 55,781.33 and 23,654.25

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Solution

The fourth proportional to 40,421.25, 55,781.33 and 23,654.25 is: 32,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.25 : 55,781.33 = 23,654.25 : x
  2. Step 2: Convert to fraction form
    40,421.25/55,781.33 = 23,654.25/x
  3. Step 3: Cross multiply
    40,421.25x = 55,781.33 × 23,654.25
  4. Step 4: Simplify right side
    40,421.25x = 1,319,465,406.88
  5. Step 5: Solve for x
    x = 1,319,465,406.88/40,421.25
  6. Step 6: Final answer
    x = 32,642.87

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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.