Home / 40,928.22-61,380.45-14,618.70

Finding the Fourth Proportional to 40,928.22, 61,380.45 and 14,618.70

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Solution

The fourth proportional to 40,928.22, 61,380.45 and 14,618.70 is: 21,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.22 : 61,380.45 = 14,618.70 : x
  2. Step 2: Convert to fraction form
    40,928.22/61,380.45 = 14,618.70/x
  3. Step 3: Cross multiply
    40,928.22x = 61,380.45 × 14,618.70
  4. Step 4: Simplify right side
    40,928.22x = 897,302,384.42
  5. Step 5: Solve for x
    x = 897,302,384.42/40,928.22
  6. Step 6: Final answer
    x = 21,923.81

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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.