Home / 66,044.28-99,062.94-21,665.18

Finding the Fourth Proportional to 66,044.28, 99,062.94 and 21,665.18

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Solution

The fourth proportional to 66,044.28, 99,062.94 and 21,665.18 is: 32,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,044.28 : 99,062.94 = 21,665.18 : x
  2. Step 2: Convert to fraction form
    66,044.28/99,062.94 = 21,665.18/x
  3. Step 3: Cross multiply
    66,044.28x = 99,062.94 × 21,665.18
  4. Step 4: Simplify right side
    66,044.28x = 2,146,216,426.43
  5. Step 5: Solve for x
    x = 2,146,216,426.43/66,044.28
  6. Step 6: Final answer
    x = 32,496.63

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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.