Home / 38,850.80-58,276.20-16,660.40

Finding the Fourth Proportional to 38,850.80, 58,276.20 and 16,660.40

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Solution

The fourth proportional to 38,850.80, 58,276.20 and 16,660.40 is: 24,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850.80 : 58,276.20 = 16,660.40 : x
  2. Step 2: Convert to fraction form
    38,850.80/58,276.20 = 16,660.40/x
  3. Step 3: Cross multiply
    38,850.80x = 58,276.20 × 16,660.40
  4. Step 4: Simplify right side
    38,850.80x = 970,904,802.48
  5. Step 5: Solve for x
    x = 970,904,802.48/38,850.80
  6. Step 6: Final answer
    x = 24,990.60

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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.