Home / 47,328.70-70,966.42-15,721.85

Finding the Fourth Proportional to 47,328.70, 70,966.42 and 15,721.85

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Solution

The fourth proportional to 47,328.70, 70,966.42 and 15,721.85 is: 23,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,328.70 : 70,966.42 = 15,721.85 : x
  2. Step 2: Convert to fraction form
    47,328.70/70,966.42 = 15,721.85/x
  3. Step 3: Cross multiply
    47,328.70x = 70,966.42 × 15,721.85
  4. Step 4: Simplify right side
    47,328.70x = 1,115,723,016.14
  5. Step 5: Solve for x
    x = 1,115,723,016.14/47,328.70
  6. Step 6: Final answer
    x = 23,573.92

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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.