Home / 40,421.50-55,781.67-23,654.50

Finding the Fourth Proportional to 40,421.50, 55,781.67 and 23,654.50

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Solution

The fourth proportional to 40,421.50, 55,781.67 and 23,654.50 is: 32,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.50 : 55,781.67 = 23,654.50 : x
  2. Step 2: Convert to fraction form
    40,421.50/55,781.67 = 23,654.50/x
  3. Step 3: Cross multiply
    40,421.50x = 55,781.67 × 23,654.50
  4. Step 4: Simplify right side
    40,421.50x = 1,319,487,513.02
  5. Step 5: Solve for x
    x = 1,319,487,513.02/40,421.50
  6. Step 6: Final answer
    x = 32,643.21

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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.