Home / 49,630.50-74,402-18,443.88

Finding the Fourth Proportional to 49,630.50, 74,402 and 18,443.88

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Solution

The fourth proportional to 49,630.50, 74,402 and 18,443.88 is: 27,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,630.50 : 74,402 = 18,443.88 : x
  2. Step 2: Convert to fraction form
    49,630.50/74,402 = 18,443.88/x
  3. Step 3: Cross multiply
    49,630.50x = 74,402 × 18,443.88
  4. Step 4: Simplify right side
    49,630.50x = 1,372,261,559.76
  5. Step 5: Solve for x
    x = 1,372,261,559.76/49,630.50
  6. Step 6: Final answer
    x = 27,649.56

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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.