Home / 30,319.60-41,827.20-17,737.12

Finding the Fourth Proportional to 30,319.60, 41,827.20 and 17,737.12

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Solution

The fourth proportional to 30,319.60, 41,827.20 and 17,737.12 is: 24,469.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.60 : 41,827.20 = 17,737.12 : x
  2. Step 2: Convert to fraction form
    30,319.60/41,827.20 = 17,737.12/x
  3. Step 3: Cross multiply
    30,319.60x = 41,827.20 × 17,737.12
  4. Step 4: Simplify right side
    30,319.60x = 741,894,065.66
  5. Step 5: Solve for x
    x = 741,894,065.66/30,319.60
  6. Step 6: Final answer
    x = 24,469.12

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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.