Home / 83,629.32-125,444.45-21,299.82

Finding the Fourth Proportional to 83,629.32, 125,444.45 and 21,299.82

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Solution

The fourth proportional to 83,629.32, 125,444.45 and 21,299.82 is: 31,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,629.32 : 125,444.45 = 21,299.82 : x
  2. Step 2: Convert to fraction form
    83,629.32/125,444.45 = 21,299.82/x
  3. Step 3: Cross multiply
    83,629.32x = 125,444.45 × 21,299.82
  4. Step 4: Simplify right side
    83,629.32x = 2,671,944,205.00
  5. Step 5: Solve for x
    x = 2,671,944,205.00/83,629.32
  6. Step 6: Final answer
    x = 31,949.85

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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.