Home / 38,100.76-57,160.20-15,901.80

Finding the Fourth Proportional to 38,100.76, 57,160.20 and 15,901.80

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Solution

The fourth proportional to 38,100.76, 57,160.20 and 15,901.80 is: 23,856.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,100.76 : 57,160.20 = 15,901.80 : x
  2. Step 2: Convert to fraction form
    38,100.76/57,160.20 = 15,901.80/x
  3. Step 3: Cross multiply
    38,100.76x = 57,160.20 × 15,901.80
  4. Step 4: Simplify right side
    38,100.76x = 908,950,068.36
  5. Step 5: Solve for x
    x = 908,950,068.36/38,100.76
  6. Step 6: Final answer
    x = 23,856.48

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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.