Home / 31,499.49-47,249.19-10,722.99

Finding the Fourth Proportional to 31,499.49, 47,249.19 and 10,722.99

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Solution

The fourth proportional to 31,499.49, 47,249.19 and 10,722.99 is: 16,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,499.49 : 47,249.19 = 10,722.99 : x
  2. Step 2: Convert to fraction form
    31,499.49/47,249.19 = 10,722.99/x
  3. Step 3: Cross multiply
    31,499.49x = 47,249.19 × 10,722.99
  4. Step 4: Simplify right side
    31,499.49x = 506,652,591.88
  5. Step 5: Solve for x
    x = 506,652,591.88/31,499.49
  6. Step 6: Final answer
    x = 16,084.47

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Double scale
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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.