Home / 66,591.72-99,924.49-27,145.76

Finding the Fourth Proportional to 66,591.72, 99,924.49 and 27,145.76

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Solution

The fourth proportional to 66,591.72, 99,924.49 and 27,145.76 is: 40,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,591.72 : 99,924.49 = 27,145.76 : x
  2. Step 2: Convert to fraction form
    66,591.72/99,924.49 = 27,145.76/x
  3. Step 3: Cross multiply
    66,591.72x = 99,924.49 × 27,145.76
  4. Step 4: Simplify right side
    66,591.72x = 2,712,525,886.31
  5. Step 5: Solve for x
    x = 2,712,525,886.31/66,591.72
  6. Step 6: Final answer
    x = 40,733.68

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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.