Home / 40,734.92-61,111.90-12,653.54

Finding the Fourth Proportional to 40,734.92, 61,111.90 and 12,653.54

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Solution

The fourth proportional to 40,734.92, 61,111.90 and 12,653.54 is: 18,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.92 : 61,111.90 = 12,653.54 : x
  2. Step 2: Convert to fraction form
    40,734.92/61,111.90 = 12,653.54/x
  3. Step 3: Cross multiply
    40,734.92x = 61,111.90 × 12,653.54
  4. Step 4: Simplify right side
    40,734.92x = 773,281,871.13
  5. Step 5: Solve for x
    x = 773,281,871.13/40,734.92
  6. Step 6: Final answer
    x = 18,983.27

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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.