Home / 34,902.40-48,165.76-18,987.28

Finding the Fourth Proportional to 34,902.40, 48,165.76 and 18,987.28

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Solution

The fourth proportional to 34,902.40, 48,165.76 and 18,987.28 is: 26,202.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,902.40 : 48,165.76 = 18,987.28 : x
  2. Step 2: Convert to fraction form
    34,902.40/48,165.76 = 18,987.28/x
  3. Step 3: Cross multiply
    34,902.40x = 48,165.76 × 18,987.28
  4. Step 4: Simplify right side
    34,902.40x = 914,536,771.53
  5. Step 5: Solve for x
    x = 914,536,771.53/34,902.40
  6. Step 6: Final answer
    x = 26,202.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.