Home / 47,721.02-71,576.06-12,663.41

Finding the Fourth Proportional to 47,721.02, 71,576.06 and 12,663.41

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Solution

The fourth proportional to 47,721.02, 71,576.06 and 12,663.41 is: 18,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.02 : 71,576.06 = 12,663.41 : x
  2. Step 2: Convert to fraction form
    47,721.02/71,576.06 = 12,663.41/x
  3. Step 3: Cross multiply
    47,721.02x = 71,576.06 × 12,663.41
  4. Step 4: Simplify right side
    47,721.02x = 906,396,572.77
  5. Step 5: Solve for x
    x = 906,396,572.77/47,721.02
  6. Step 6: Final answer
    x = 18,993.66

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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.