Home / 47,861.28-71,816.14-19,801.47

Finding the Fourth Proportional to 47,861.28, 71,816.14 and 19,801.47

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Solution

The fourth proportional to 47,861.28, 71,816.14 and 19,801.47 is: 29,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.28 : 71,816.14 = 19,801.47 : x
  2. Step 2: Convert to fraction form
    47,861.28/71,816.14 = 19,801.47/x
  3. Step 3: Cross multiply
    47,861.28x = 71,816.14 × 19,801.47
  4. Step 4: Simplify right side
    47,861.28x = 1,422,065,030.35
  5. Step 5: Solve for x
    x = 1,422,065,030.35/47,861.28
  6. Step 6: Final answer
    x = 29,712.22

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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.