Home / 38,103.30-52,580.52-21,107.04

Finding the Fourth Proportional to 38,103.30, 52,580.52 and 21,107.04

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Solution

The fourth proportional to 38,103.30, 52,580.52 and 21,107.04 is: 29,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.30 : 52,580.52 = 21,107.04 : x
  2. Step 2: Convert to fraction form
    38,103.30/52,580.52 = 21,107.04/x
  3. Step 3: Cross multiply
    38,103.30x = 52,580.52 × 21,107.04
  4. Step 4: Simplify right side
    38,103.30x = 1,109,819,138.86
  5. Step 5: Solve for x
    x = 1,109,819,138.86/38,103.30
  6. Step 6: Final answer
    x = 29,126.59

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1.5x scale

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.