Home / 40,928.20-61,406.70-14,633.80

Finding the Fourth Proportional to 40,928.20, 61,406.70 and 14,633.80

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Solution

The fourth proportional to 40,928.20, 61,406.70 and 14,633.80 is: 21,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.20 : 61,406.70 = 14,633.80 : x
  2. Step 2: Convert to fraction form
    40,928.20/61,406.70 = 14,633.80/x
  3. Step 3: Cross multiply
    40,928.20x = 61,406.70 × 14,633.80
  4. Step 4: Simplify right side
    40,928.20x = 898,613,366.46
  5. Step 5: Solve for x
    x = 898,613,366.46/40,928.20
  6. Step 6: Final answer
    x = 21,955.85

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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.