Home / 38,722.86-58,091.85-13,764.78

Finding the Fourth Proportional to 38,722.86, 58,091.85 and 13,764.78

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Solution

The fourth proportional to 38,722.86, 58,091.85 and 13,764.78 is: 20,649.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,722.86 : 58,091.85 = 13,764.78 : x
  2. Step 2: Convert to fraction form
    38,722.86/58,091.85 = 13,764.78/x
  3. Step 3: Cross multiply
    38,722.86x = 58,091.85 × 13,764.78
  4. Step 4: Simplify right side
    38,722.86x = 799,621,535.04
  5. Step 5: Solve for x
    x = 799,621,535.04/38,722.86
  6. Step 6: Final answer
    x = 20,649.86

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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.