Home / 43,729.20-65,666.70-29,003.40

Finding the Fourth Proportional to 43,729.20, 65,666.70 and 29,003.40

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Solution

The fourth proportional to 43,729.20, 65,666.70 and 29,003.40 is: 43,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729.20 : 65,666.70 = 29,003.40 : x
  2. Step 2: Convert to fraction form
    43,729.20/65,666.70 = 29,003.40/x
  3. Step 3: Cross multiply
    43,729.20x = 65,666.70 × 29,003.40
  4. Step 4: Simplify right side
    43,729.20x = 1,904,557,566.78
  5. Step 5: Solve for x
    x = 1,904,557,566.78/43,729.20
  6. Step 6: Final answer
    x = 43,553.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.