Home / 45,488.06-68,242.48-13,902.62

Finding the Fourth Proportional to 45,488.06, 68,242.48 and 13,902.62

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Solution

The fourth proportional to 45,488.06, 68,242.48 and 13,902.62 is: 20,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,488.06 : 68,242.48 = 13,902.62 : x
  2. Step 2: Convert to fraction form
    45,488.06/68,242.48 = 13,902.62/x
  3. Step 3: Cross multiply
    45,488.06x = 68,242.48 × 13,902.62
  4. Step 4: Simplify right side
    45,488.06x = 948,749,267.30
  5. Step 5: Solve for x
    x = 948,749,267.30/45,488.06
  6. Step 6: Final answer
    x = 20,857.10

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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.