Home / 38,895.20-58,321.20-16,704.80

Finding the Fourth Proportional to 38,895.20, 58,321.20 and 16,704.80

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Solution

The fourth proportional to 38,895.20, 58,321.20 and 16,704.80 is: 25,047.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,895.20 : 58,321.20 = 16,704.80 : x
  2. Step 2: Convert to fraction form
    38,895.20/58,321.20 = 16,704.80/x
  3. Step 3: Cross multiply
    38,895.20x = 58,321.20 × 16,704.80
  4. Step 4: Simplify right side
    38,895.20x = 974,243,981.76
  5. Step 5: Solve for x
    x = 974,243,981.76/38,895.20
  6. Step 6: Final answer
    x = 25,047.92

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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.