Home / 40,259.04-60,364.96-12,170.72

Finding the Fourth Proportional to 40,259.04, 60,364.96 and 12,170.72

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Solution

The fourth proportional to 40,259.04, 60,364.96 and 12,170.72 is: 18,248.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.04 : 60,364.96 = 12,170.72 : x
  2. Step 2: Convert to fraction form
    40,259.04/60,364.96 = 12,170.72/x
  3. Step 3: Cross multiply
    40,259.04x = 60,364.96 × 12,170.72
  4. Step 4: Simplify right side
    40,259.04x = 734,685,025.97
  5. Step 5: Solve for x
    x = 734,685,025.97/40,259.04
  6. Step 6: Final answer
    x = 18,248.95

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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.