Home / 51,275.80-70,760.62-28,305.64

Finding the Fourth Proportional to 51,275.80, 70,760.62 and 28,305.64

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Solution

The fourth proportional to 51,275.80, 70,760.62 and 28,305.64 is: 39,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275.80 : 70,760.62 = 28,305.64 : x
  2. Step 2: Convert to fraction form
    51,275.80/70,760.62 = 28,305.64/x
  3. Step 3: Cross multiply
    51,275.80x = 70,760.62 × 28,305.64
  4. Step 4: Simplify right side
    51,275.80x = 2,002,924,635.90
  5. Step 5: Solve for x
    x = 2,002,924,635.90/51,275.80
  6. Step 6: Final answer
    x = 39,061.79

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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.