Home / 38,961.56-58,427.98-13,994.90

Finding the Fourth Proportional to 38,961.56, 58,427.98 and 13,994.90

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Solution

The fourth proportional to 38,961.56, 58,427.98 and 13,994.90 is: 20,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.56 : 58,427.98 = 13,994.90 : x
  2. Step 2: Convert to fraction form
    38,961.56/58,427.98 = 13,994.90/x
  3. Step 3: Cross multiply
    38,961.56x = 58,427.98 × 13,994.90
  4. Step 4: Simplify right side
    38,961.56x = 817,693,872.33
  5. Step 5: Solve for x
    x = 817,693,872.33/38,961.56
  6. Step 6: Final answer
    x = 20,987.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.