Home / 51,031.66-76,517.34-19,444.18

Finding the Fourth Proportional to 51,031.66, 76,517.34 and 19,444.18

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Solution

The fourth proportional to 51,031.66, 76,517.34 and 19,444.18 is: 29,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.66 : 76,517.34 = 19,444.18 : x
  2. Step 2: Convert to fraction form
    51,031.66/76,517.34 = 19,444.18/x
  3. Step 3: Cross multiply
    51,031.66x = 76,517.34 × 19,444.18
  4. Step 4: Simplify right side
    51,031.66x = 1,487,816,932.08
  5. Step 5: Solve for x
    x = 1,487,816,932.08/51,031.66
  6. Step 6: Final answer
    x = 29,154.78

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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.