Home / 40,895.49-61,343.16-12,817.70

Finding the Fourth Proportional to 40,895.49, 61,343.16 and 12,817.70

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Solution

The fourth proportional to 40,895.49, 61,343.16 and 12,817.70 is: 19,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,895.49 : 61,343.16 = 12,817.70 : x
  2. Step 2: Convert to fraction form
    40,895.49/61,343.16 = 12,817.70/x
  3. Step 3: Cross multiply
    40,895.49x = 61,343.16 × 12,817.70
  4. Step 4: Simplify right side
    40,895.49x = 786,278,221.93
  5. Step 5: Solve for x
    x = 786,278,221.93/40,895.49
  6. Step 6: Final answer
    x = 19,226.53

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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.