Home / 47,476.14-71,221.07-15,876.78

Finding the Fourth Proportional to 47,476.14, 71,221.07 and 15,876.78

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Solution

The fourth proportional to 47,476.14, 71,221.07 and 15,876.78 is: 23,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476.14 : 71,221.07 = 15,876.78 : x
  2. Step 2: Convert to fraction form
    47,476.14/71,221.07 = 15,876.78/x
  3. Step 3: Cross multiply
    47,476.14x = 71,221.07 × 15,876.78
  4. Step 4: Simplify right side
    47,476.14x = 1,130,761,032.37
  5. Step 5: Solve for x
    x = 1,130,761,032.37/47,476.14
  6. Step 6: Final answer
    x = 23,817.46

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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.