Home / 66,127.62-99,180.48-21,754.95

Finding the Fourth Proportional to 66,127.62, 99,180.48 and 21,754.95

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Solution

The fourth proportional to 66,127.62, 99,180.48 and 21,754.95 is: 32,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.62 : 99,180.48 = 21,754.95 : x
  2. Step 2: Convert to fraction form
    66,127.62/99,180.48 = 21,754.95/x
  3. Step 3: Cross multiply
    66,127.62x = 99,180.48 × 21,754.95
  4. Step 4: Simplify right side
    66,127.62x = 2,157,666,383.38
  5. Step 5: Solve for x
    x = 2,157,666,383.38/66,127.62
  6. Step 6: Final answer
    x = 32,628.82

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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.