Home / 38,103.92-52,582.22-21,107.48

Finding the Fourth Proportional to 38,103.92, 52,582.22 and 21,107.48

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Solution

The fourth proportional to 38,103.92, 52,582.22 and 21,107.48 is: 29,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.92 : 52,582.22 = 21,107.48 : x
  2. Step 2: Convert to fraction form
    38,103.92/52,582.22 = 21,107.48/x
  3. Step 3: Cross multiply
    38,103.92x = 52,582.22 × 21,107.48
  4. Step 4: Simplify right side
    38,103.92x = 1,109,878,157.01
  5. Step 5: Solve for x
    x = 1,109,878,157.01/38,103.92
  6. Step 6: Final answer
    x = 29,127.66

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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.