Home / 33,012.60-49,521.18-13,291.20

Finding the Fourth Proportional to 33,012.60, 49,521.18 and 13,291.20

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Solution

The fourth proportional to 33,012.60, 49,521.18 and 13,291.20 is: 19,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.60 : 49,521.18 = 13,291.20 : x
  2. Step 2: Convert to fraction form
    33,012.60/49,521.18 = 13,291.20/x
  3. Step 3: Cross multiply
    33,012.60x = 49,521.18 × 13,291.20
  4. Step 4: Simplify right side
    33,012.60x = 658,195,907.62
  5. Step 5: Solve for x
    x = 658,195,907.62/33,012.60
  6. Step 6: Final answer
    x = 19,937.72

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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.