Home / 38,103.26-52,581.10-21,108.25

Finding the Fourth Proportional to 38,103.26, 52,581.10 and 21,108.25

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Solution

The fourth proportional to 38,103.26, 52,581.10 and 21,108.25 is: 29,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.26 : 52,581.10 = 21,108.25 : x
  2. Step 2: Convert to fraction form
    38,103.26/52,581.10 = 21,108.25/x
  3. Step 3: Cross multiply
    38,103.26x = 52,581.10 × 21,108.25
  4. Step 4: Simplify right side
    38,103.26x = 1,109,894,760.84
  5. Step 5: Solve for x
    x = 1,109,894,760.84/38,103.26
  6. Step 6: Final answer
    x = 29,128.60

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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.