Home / 40,975.20-61,462.80-29,165.40

Finding the Fourth Proportional to 40,975.20, 61,462.80 and 29,165.40

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Solution

The fourth proportional to 40,975.20, 61,462.80 and 29,165.40 is: 43,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,975.20 : 61,462.80 = 29,165.40 : x
  2. Step 2: Convert to fraction form
    40,975.20/61,462.80 = 29,165.40/x
  3. Step 3: Cross multiply
    40,975.20x = 61,462.80 × 29,165.40
  4. Step 4: Simplify right side
    40,975.20x = 1,792,587,147.12
  5. Step 5: Solve for x
    x = 1,792,587,147.12/40,975.20
  6. Step 6: Final answer
    x = 43,748.10

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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.