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Finding the Fourth Proportional to 32,758.80, 49,130.88 and 13,032.04

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Solution

The fourth proportional to 32,758.80, 49,130.88 and 13,032.04 is: 19,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.80 : 49,130.88 = 13,032.04 : x
  2. Step 2: Convert to fraction form
    32,758.80/49,130.88 = 13,032.04/x
  3. Step 3: Cross multiply
    32,758.80x = 49,130.88 × 13,032.04
  4. Step 4: Simplify right side
    32,758.80x = 640,275,593.40
  5. Step 5: Solve for x
    x = 640,275,593.40/32,758.80
  6. Step 6: Final answer
    x = 19,545.15

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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.