Home / 38,245.56-52,778.55-21,018.14

Finding the Fourth Proportional to 38,245.56, 52,778.55 and 21,018.14

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Solution

The fourth proportional to 38,245.56, 52,778.55 and 21,018.14 is: 29,004.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,245.56 : 52,778.55 = 21,018.14 : x
  2. Step 2: Convert to fraction form
    38,245.56/52,778.55 = 21,018.14/x
  3. Step 3: Cross multiply
    38,245.56x = 52,778.55 × 21,018.14
  4. Step 4: Simplify right side
    38,245.56x = 1,109,306,952.90
  5. Step 5: Solve for x
    x = 1,109,306,952.90/38,245.56
  6. Step 6: Final answer
    x = 29,004.86

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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.