Home / 66,629.88-99,944.86-38,908.92

Finding the Fourth Proportional to 66,629.88, 99,944.86 and 38,908.92

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Solution

The fourth proportional to 66,629.88, 99,944.86 and 38,908.92 is: 58,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629.88 : 99,944.86 = 38,908.92 : x
  2. Step 2: Convert to fraction form
    66,629.88/99,944.86 = 38,908.92/x
  3. Step 3: Cross multiply
    66,629.88x = 99,944.86 × 38,908.92
  4. Step 4: Simplify right side
    66,629.88x = 3,888,746,562.15
  5. Step 5: Solve for x
    x = 3,888,746,562.15/66,629.88
  6. Step 6: Final answer
    x = 58,363.40

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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.