Home / 47,729.32-71,588.42-12,671.70

Finding the Fourth Proportional to 47,729.32, 71,588.42 and 12,671.70

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Solution

The fourth proportional to 47,729.32, 71,588.42 and 12,671.70 is: 19,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.32 : 71,588.42 = 12,671.70 : x
  2. Step 2: Convert to fraction form
    47,729.32/71,588.42 = 12,671.70/x
  3. Step 3: Cross multiply
    47,729.32x = 71,588.42 × 12,671.70
  4. Step 4: Simplify right side
    47,729.32x = 907,146,981.71
  5. Step 5: Solve for x
    x = 907,146,981.71/47,729.32
  6. Step 6: Final answer
    x = 19,006.07

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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.