Home / 38,103.22-52,582.56-21,108.16

Finding the Fourth Proportional to 38,103.22, 52,582.56 and 21,108.16

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Solution

The fourth proportional to 38,103.22, 52,582.56 and 21,108.16 is: 29,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.22 : 52,582.56 = 21,108.16 : x
  2. Step 2: Convert to fraction form
    38,103.22/52,582.56 = 21,108.16/x
  3. Step 3: Cross multiply
    38,103.22x = 52,582.56 × 21,108.16
  4. Step 4: Simplify right side
    38,103.22x = 1,109,921,089.69
  5. Step 5: Solve for x
    x = 1,109,921,089.69/38,103.22
  6. Step 6: Final answer
    x = 29,129.33

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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.