Home / 31,610.46-47,377.86-14,720.70

Finding the Fourth Proportional to 31,610.46, 47,377.86 and 14,720.70

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Solution

The fourth proportional to 31,610.46, 47,377.86 and 14,720.70 is: 22,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,610.46 : 47,377.86 = 14,720.70 : x
  2. Step 2: Convert to fraction form
    31,610.46/47,377.86 = 14,720.70/x
  3. Step 3: Cross multiply
    31,610.46x = 47,377.86 × 14,720.70
  4. Step 4: Simplify right side
    31,610.46x = 697,435,263.70
  5. Step 5: Solve for x
    x = 697,435,263.70/31,610.46
  6. Step 6: Final answer
    x = 22,063.43

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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.