Home / 40,927.68-61,424.33-21,211.88

Finding the Fourth Proportional to 40,927.68, 61,424.33 and 21,211.88

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Solution

The fourth proportional to 40,927.68, 61,424.33 and 21,211.88 is: 31,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,927.68 : 61,424.33 = 21,211.88 : x
  2. Step 2: Convert to fraction form
    40,927.68/61,424.33 = 21,211.88/x
  3. Step 3: Cross multiply
    40,927.68x = 61,424.33 × 21,211.88
  4. Step 4: Simplify right side
    40,927.68x = 1,302,925,103.86
  5. Step 5: Solve for x
    x = 1,302,925,103.86/40,927.68
  6. Step 6: Final answer
    x = 31,834.81

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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.