Home / 38,982.87-58,486.59-21,465

Finding the Fourth Proportional to 38,982.87, 58,486.59 and 21,465

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Solution

The fourth proportional to 38,982.87, 58,486.59 and 21,465 is: 32,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,982.87 : 58,486.59 = 21,465 : x
  2. Step 2: Convert to fraction form
    38,982.87/58,486.59 = 21,465/x
  3. Step 3: Cross multiply
    38,982.87x = 58,486.59 × 21,465
  4. Step 4: Simplify right side
    38,982.87x = 1,255,414,654.35
  5. Step 5: Solve for x
    x = 1,255,414,654.35/38,982.87
  6. Step 6: Final answer
    x = 32,204.26

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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.