Home / 43,321.20-64,833.95-36,309.13

Finding the Fourth Proportional to 43,321.20, 64,833.95 and 36,309.13

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Solution

The fourth proportional to 43,321.20, 64,833.95 and 36,309.13 is: 54,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.20 : 64,833.95 = 36,309.13 : x
  2. Step 2: Convert to fraction form
    43,321.20/64,833.95 = 36,309.13/x
  3. Step 3: Cross multiply
    43,321.20x = 64,833.95 × 36,309.13
  4. Step 4: Simplify right side
    43,321.20x = 2,354,064,571.82
  5. Step 5: Solve for x
    x = 2,354,064,571.82/43,321.20
  6. Step 6: Final answer
    x = 54,339.78

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1.5x scale

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.