Home / 47,731.30-71,569.95-18,150.10

Finding the Fourth Proportional to 47,731.30, 71,569.95 and 18,150.10

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Solution

The fourth proportional to 47,731.30, 71,569.95 and 18,150.10 is: 27,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.30 : 71,569.95 = 18,150.10 : x
  2. Step 2: Convert to fraction form
    47,731.30/71,569.95 = 18,150.10/x
  3. Step 3: Cross multiply
    47,731.30x = 71,569.95 × 18,150.10
  4. Step 4: Simplify right side
    47,731.30x = 1,299,001,749.50
  5. Step 5: Solve for x
    x = 1,299,001,749.50/47,731.30
  6. Step 6: Final answer
    x = 27,214.88

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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.