Home / 40,397.67-55,740.33-23,400.90

Finding the Fourth Proportional to 40,397.67, 55,740.33 and 23,400.90

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Solution

The fourth proportional to 40,397.67, 55,740.33 and 23,400.90 is: 32,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,397.67 : 55,740.33 = 23,400.90 : x
  2. Step 2: Convert to fraction form
    40,397.67/55,740.33 = 23,400.90/x
  3. Step 3: Cross multiply
    40,397.67x = 55,740.33 × 23,400.90
  4. Step 4: Simplify right side
    40,397.67x = 1,304,373,888.30
  5. Step 5: Solve for x
    x = 1,304,373,888.30/40,397.67
  6. Step 6: Final answer
    x = 32,288.34

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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.