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Finding the Fourth Proportional to 32,910.80, 49,366.20 and 9,218.30

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Solution

The fourth proportional to 32,910.80, 49,366.20 and 9,218.30 is: 13,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,910.80 : 49,366.20 = 9,218.30 : x
  2. Step 2: Convert to fraction form
    32,910.80/49,366.20 = 9,218.30/x
  3. Step 3: Cross multiply
    32,910.80x = 49,366.20 × 9,218.30
  4. Step 4: Simplify right side
    32,910.80x = 455,072,441.46
  5. Step 5: Solve for x
    x = 455,072,441.46/32,910.80
  6. Step 6: Final answer
    x = 13,827.45

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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.