Home / 36,428.04-54,642.06-20,834.73

Finding the Fourth Proportional to 36,428.04, 54,642.06 and 20,834.73

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Solution

The fourth proportional to 36,428.04, 54,642.06 and 20,834.73 is: 31,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.04 : 54,642.06 = 20,834.73 : x
  2. Step 2: Convert to fraction form
    36,428.04/54,642.06 = 20,834.73/x
  3. Step 3: Cross multiply
    36,428.04x = 54,642.06 × 20,834.73
  4. Step 4: Simplify right side
    36,428.04x = 1,138,452,566.74
  5. Step 5: Solve for x
    x = 1,138,452,566.74/36,428.04
  6. Step 6: Final answer
    x = 31,252.10

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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.