Home / 40,743.92-61,124.54-12,663.29

Finding the Fourth Proportional to 40,743.92, 61,124.54 and 12,663.29

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Solution

The fourth proportional to 40,743.92, 61,124.54 and 12,663.29 is: 18,997.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.92 : 61,124.54 = 12,663.29 : x
  2. Step 2: Convert to fraction form
    40,743.92/61,124.54 = 12,663.29/x
  3. Step 3: Cross multiply
    40,743.92x = 61,124.54 × 12,663.29
  4. Step 4: Simplify right side
    40,743.92x = 774,037,865.63
  5. Step 5: Solve for x
    x = 774,037,865.63/40,743.92
  6. Step 6: Final answer
    x = 18,997.63

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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.