Home / 32,900.80-49,278.30-13,169.20

Finding the Fourth Proportional to 32,900.80, 49,278.30 and 13,169.20

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Solution

The fourth proportional to 32,900.80, 49,278.30 and 13,169.20 is: 19,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,900.80 : 49,278.30 = 13,169.20 : x
  2. Step 2: Convert to fraction form
    32,900.80/49,278.30 = 13,169.20/x
  3. Step 3: Cross multiply
    32,900.80x = 49,278.30 × 13,169.20
  4. Step 4: Simplify right side
    32,900.80x = 648,955,788.36
  5. Step 5: Solve for x
    x = 648,955,788.36/32,900.80
  6. Step 6: Final answer
    x = 19,724.62

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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.