Home / 47,615.23-71,431.87-19,154.36

Finding the Fourth Proportional to 47,615.23, 71,431.87 and 19,154.36

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Solution

The fourth proportional to 47,615.23, 71,431.87 and 19,154.36 is: 28,735.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.23 : 71,431.87 = 19,154.36 : x
  2. Step 2: Convert to fraction form
    47,615.23/71,431.87 = 19,154.36/x
  3. Step 3: Cross multiply
    47,615.23x = 71,431.87 × 19,154.36
  4. Step 4: Simplify right side
    47,615.23x = 1,368,231,753.45
  5. Step 5: Solve for x
    x = 1,368,231,753.45/47,615.23
  6. Step 6: Final answer
    x = 28,735.17

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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.