Home / 43,740.20-65,610.30-29,743.40

Finding the Fourth Proportional to 43,740.20, 65,610.30 and 29,743.40

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Solution

The fourth proportional to 43,740.20, 65,610.30 and 29,743.40 is: 44,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740.20 : 65,610.30 = 29,743.40 : x
  2. Step 2: Convert to fraction form
    43,740.20/65,610.30 = 29,743.40/x
  3. Step 3: Cross multiply
    43,740.20x = 65,610.30 × 29,743.40
  4. Step 4: Simplify right side
    43,740.20x = 1,951,473,397.02
  5. Step 5: Solve for x
    x = 1,951,473,397.02/43,740.20
  6. Step 6: Final answer
    x = 44,615.10

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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.