Home / 74,806.72-112,209.76-30,433.11

Finding the Fourth Proportional to 74,806.72, 112,209.76 and 30,433.11

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Solution

The fourth proportional to 74,806.72, 112,209.76 and 30,433.11 is: 45,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,806.72 : 112,209.76 = 30,433.11 : x
  2. Step 2: Convert to fraction form
    74,806.72/112,209.76 = 30,433.11/x
  3. Step 3: Cross multiply
    74,806.72x = 112,209.76 × 30,433.11
  4. Step 4: Simplify right side
    74,806.72x = 3,414,891,969.15
  5. Step 5: Solve for x
    x = 3,414,891,969.15/74,806.72
  6. Step 6: Final answer
    x = 45,649.53

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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.