Home / 51,385.88-77,087.67-17,650.30

Finding the Fourth Proportional to 51,385.88, 77,087.67 and 17,650.30

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Solution

The fourth proportional to 51,385.88, 77,087.67 and 17,650.30 is: 26,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.88 : 77,087.67 = 17,650.30 : x
  2. Step 2: Convert to fraction form
    51,385.88/77,087.67 = 17,650.30/x
  3. Step 3: Cross multiply
    51,385.88x = 77,087.67 × 17,650.30
  4. Step 4: Simplify right side
    51,385.88x = 1,360,620,387.43
  5. Step 5: Solve for x
    x = 1,360,620,387.43/51,385.88
  6. Step 6: Final answer
    x = 26,478.49

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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.