Home / 40,298.33-60,454.04-12,211.81

Finding the Fourth Proportional to 40,298.33, 60,454.04 and 12,211.81

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Solution

The fourth proportional to 40,298.33, 60,454.04 and 12,211.81 is: 18,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.33 : 60,454.04 = 12,211.81 : x
  2. Step 2: Convert to fraction form
    40,298.33/60,454.04 = 12,211.81/x
  3. Step 3: Cross multiply
    40,298.33x = 60,454.04 × 12,211.81
  4. Step 4: Simplify right side
    40,298.33x = 738,253,038.02
  5. Step 5: Solve for x
    x = 738,253,038.02/40,298.33
  6. Step 6: Final answer
    x = 18,319.69

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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.