Home / 66,552.37-99,833.34-20,956.15

Finding the Fourth Proportional to 66,552.37, 99,833.34 and 20,956.15

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Solution

The fourth proportional to 66,552.37, 99,833.34 and 20,956.15 is: 31,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.37 : 99,833.34 = 20,956.15 : x
  2. Step 2: Convert to fraction form
    66,552.37/99,833.34 = 20,956.15/x
  3. Step 3: Cross multiply
    66,552.37x = 99,833.34 × 20,956.15
  4. Step 4: Simplify right side
    66,552.37x = 2,092,122,448.04
  5. Step 5: Solve for x
    x = 2,092,122,448.04/66,552.37
  6. Step 6: Final answer
    x = 31,435.73

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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.