Home / 51,385.88-77,079.10-15,846.76

Finding the Fourth Proportional to 51,385.88, 77,079.10 and 15,846.76

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Solution

The fourth proportional to 51,385.88, 77,079.10 and 15,846.76 is: 23,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.88 : 77,079.10 = 15,846.76 : x
  2. Step 2: Convert to fraction form
    51,385.88/77,079.10 = 15,846.76/x
  3. Step 3: Cross multiply
    51,385.88x = 77,079.10 × 15,846.76
  4. Step 4: Simplify right side
    51,385.88x = 1,221,453,998.72
  5. Step 5: Solve for x
    x = 1,221,453,998.72/51,385.88
  6. Step 6: Final answer
    x = 23,770.23

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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.