Home / 34,235.18-51,352.77-12,891.90

Finding the Fourth Proportional to 34,235.18, 51,352.77 and 12,891.90

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Solution

The fourth proportional to 34,235.18, 51,352.77 and 12,891.90 is: 19,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,235.18 : 51,352.77 = 12,891.90 : x
  2. Step 2: Convert to fraction form
    34,235.18/51,352.77 = 12,891.90/x
  3. Step 3: Cross multiply
    34,235.18x = 51,352.77 × 12,891.90
  4. Step 4: Simplify right side
    34,235.18x = 662,034,775.56
  5. Step 5: Solve for x
    x = 662,034,775.56/34,235.18
  6. Step 6: Final answer
    x = 19,337.85

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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.