Home / 40,954.06-61,431.04-12,876.57

Finding the Fourth Proportional to 40,954.06, 61,431.04 and 12,876.57

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Solution

The fourth proportional to 40,954.06, 61,431.04 and 12,876.57 is: 19,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.06 : 61,431.04 = 12,876.57 : x
  2. Step 2: Convert to fraction form
    40,954.06/61,431.04 = 12,876.57/x
  3. Step 3: Cross multiply
    40,954.06x = 61,431.04 × 12,876.57
  4. Step 4: Simplify right side
    40,954.06x = 791,020,715.19
  5. Step 5: Solve for x
    x = 791,020,715.19/40,954.06
  6. Step 6: Final answer
    x = 19,314.83

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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.