Home / 38,910.12-54,058.47-38,443.56

Finding the Fourth Proportional to 38,910.12, 54,058.47 and 38,443.56

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Solution

The fourth proportional to 38,910.12, 54,058.47 and 38,443.56 is: 53,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.12 : 54,058.47 = 38,443.56 : x
  2. Step 2: Convert to fraction form
    38,910.12/54,058.47 = 38,443.56/x
  3. Step 3: Cross multiply
    38,910.12x = 54,058.47 × 38,443.56
  4. Step 4: Simplify right side
    38,910.12x = 2,078,200,034.95
  5. Step 5: Solve for x
    x = 2,078,200,034.95/38,910.12
  6. Step 6: Final answer
    x = 53,410.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.