Home / 33,100.30-45,679.28-18,957.70

Finding the Fourth Proportional to 33,100.30, 45,679.28 and 18,957.70

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Solution

The fourth proportional to 33,100.30, 45,679.28 and 18,957.70 is: 26,162.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,100.30 : 45,679.28 = 18,957.70 : x
  2. Step 2: Convert to fraction form
    33,100.30/45,679.28 = 18,957.70/x
  3. Step 3: Cross multiply
    33,100.30x = 45,679.28 × 18,957.70
  4. Step 4: Simplify right side
    33,100.30x = 865,974,086.46
  5. Step 5: Solve for x
    x = 865,974,086.46/33,100.30
  6. Step 6: Final answer
    x = 26,162.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.