Home / 51,031.20-76,535.10-19,444.85

Finding the Fourth Proportional to 51,031.20, 76,535.10 and 19,444.85

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Solution

The fourth proportional to 51,031.20, 76,535.10 and 19,444.85 is: 29,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.20 : 76,535.10 = 19,444.85 : x
  2. Step 2: Convert to fraction form
    51,031.20/76,535.10 = 19,444.85/x
  3. Step 3: Cross multiply
    51,031.20x = 76,535.10 × 19,444.85
  4. Step 4: Simplify right side
    51,031.20x = 1,488,213,156.56
  5. Step 5: Solve for x
    x = 1,488,213,156.56/51,031.20
  6. Step 6: Final answer
    x = 29,162.81

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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.