Home / 41,069.70-61,604.15-12,989.77

Finding the Fourth Proportional to 41,069.70, 61,604.15 and 12,989.77

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Solution

The fourth proportional to 41,069.70, 61,604.15 and 12,989.77 is: 19,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,069.70 : 61,604.15 = 12,989.77 : x
  2. Step 2: Convert to fraction form
    41,069.70/61,604.15 = 12,989.77/x
  3. Step 3: Cross multiply
    41,069.70x = 61,604.15 × 12,989.77
  4. Step 4: Simplify right side
    41,069.70x = 800,223,520.59
  5. Step 5: Solve for x
    x = 800,223,520.59/41,069.70
  6. Step 6: Final answer
    x = 19,484.52

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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.