Home / 38,073.48-52,542.10-21,306.44

Finding the Fourth Proportional to 38,073.48, 52,542.10 and 21,306.44

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Solution

The fourth proportional to 38,073.48, 52,542.10 and 21,306.44 is: 29,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.48 : 52,542.10 = 21,306.44 : x
  2. Step 2: Convert to fraction form
    38,073.48/52,542.10 = 21,306.44/x
  3. Step 3: Cross multiply
    38,073.48x = 52,542.10 × 21,306.44
  4. Step 4: Simplify right side
    38,073.48x = 1,119,485,101.12
  5. Step 5: Solve for x
    x = 1,119,485,101.12/38,073.48
  6. Step 6: Final answer
    x = 29,403.28

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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.