Home / 30,276.20-41,781.03-16,848.74

Finding the Fourth Proportional to 30,276.20, 41,781.03 and 16,848.74

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Solution

The fourth proportional to 30,276.20, 41,781.03 and 16,848.74 is: 23,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.20 : 41,781.03 = 16,848.74 : x
  2. Step 2: Convert to fraction form
    30,276.20/41,781.03 = 16,848.74/x
  3. Step 3: Cross multiply
    30,276.20x = 41,781.03 × 16,848.74
  4. Step 4: Simplify right side
    30,276.20x = 703,957,711.40
  5. Step 5: Solve for x
    x = 703,957,711.40/30,276.20
  6. Step 6: Final answer
    x = 23,251.19

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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.