Home / 43,436.76-65,077.92-30,263.28

Finding the Fourth Proportional to 43,436.76, 65,077.92 and 30,263.28

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Solution

The fourth proportional to 43,436.76, 65,077.92 and 30,263.28 is: 45,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,436.76 : 65,077.92 = 30,263.28 : x
  2. Step 2: Convert to fraction form
    43,436.76/65,077.92 = 30,263.28/x
  3. Step 3: Cross multiply
    43,436.76x = 65,077.92 × 30,263.28
  4. Step 4: Simplify right side
    43,436.76x = 1,969,471,314.78
  5. Step 5: Solve for x
    x = 1,969,471,314.78/43,436.76
  6. Step 6: Final answer
    x = 45,341.12

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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.