Home / 45,307.32-67,960.98-14,145.24

Finding the Fourth Proportional to 45,307.32, 67,960.98 and 14,145.24

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Solution

The fourth proportional to 45,307.32, 67,960.98 and 14,145.24 is: 21,217.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,307.32 : 67,960.98 = 14,145.24 : x
  2. Step 2: Convert to fraction form
    45,307.32/67,960.98 = 14,145.24/x
  3. Step 3: Cross multiply
    45,307.32x = 67,960.98 × 14,145.24
  4. Step 4: Simplify right side
    45,307.32x = 961,324,372.74
  5. Step 5: Solve for x
    x = 961,324,372.74/45,307.32
  6. Step 6: Final answer
    x = 21,217.86

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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.