Home / 34,331.08-51,500.70-12,139.92

Finding the Fourth Proportional to 34,331.08, 51,500.70 and 12,139.92

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Solution

The fourth proportional to 34,331.08, 51,500.70 and 12,139.92 is: 18,211.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,331.08 : 51,500.70 = 12,139.92 : x
  2. Step 2: Convert to fraction form
    34,331.08/51,500.70 = 12,139.92/x
  3. Step 3: Cross multiply
    34,331.08x = 51,500.70 × 12,139.92
  4. Step 4: Simplify right side
    34,331.08x = 625,214,377.94
  5. Step 5: Solve for x
    x = 625,214,377.94/34,331.08
  6. Step 6: Final answer
    x = 18,211.32

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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.