Home / 30,631.70-45,947.55-10,910.90

Finding the Fourth Proportional to 30,631.70, 45,947.55 and 10,910.90

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Solution

The fourth proportional to 30,631.70, 45,947.55 and 10,910.90 is: 16,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631.70 : 45,947.55 = 10,910.90 : x
  2. Step 2: Convert to fraction form
    30,631.70/45,947.55 = 10,910.90/x
  3. Step 3: Cross multiply
    30,631.70x = 45,947.55 × 10,910.90
  4. Step 4: Simplify right side
    30,631.70x = 501,329,123.30
  5. Step 5: Solve for x
    x = 501,329,123.30/30,631.70
  6. Step 6: Final answer
    x = 16,366.35

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Similar ratio
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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.