Home / 38,820.32-58,238.40-12,524.48

Finding the Fourth Proportional to 38,820.32, 58,238.40 and 12,524.48

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Solution

The fourth proportional to 38,820.32, 58,238.40 and 12,524.48 is: 18,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,820.32 : 58,238.40 = 12,524.48 : x
  2. Step 2: Convert to fraction form
    38,820.32/58,238.40 = 12,524.48/x
  3. Step 3: Cross multiply
    38,820.32x = 58,238.40 × 12,524.48
  4. Step 4: Simplify right side
    38,820.32x = 729,405,676.03
  5. Step 5: Solve for x
    x = 729,405,676.03/38,820.32
  6. Step 6: Final answer
    x = 18,789.28

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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.