Home / 40,242.09-60,402.87-30,211.95

Finding the Fourth Proportional to 40,242.09, 60,402.87 and 30,211.95

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Solution

The fourth proportional to 40,242.09, 60,402.87 and 30,211.95 is: 45,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,242.09 : 60,402.87 = 30,211.95 : x
  2. Step 2: Convert to fraction form
    40,242.09/60,402.87 = 30,211.95/x
  3. Step 3: Cross multiply
    40,242.09x = 60,402.87 × 30,211.95
  4. Step 4: Simplify right side
    40,242.09x = 1,824,888,488.30
  5. Step 5: Solve for x
    x = 1,824,888,488.30/40,242.09
  6. Step 6: Final answer
    x = 45,347.76

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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.