Home / 38,919.96-58,370.22-12,632.22

Finding the Fourth Proportional to 38,919.96, 58,370.22 and 12,632.22

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Solution

The fourth proportional to 38,919.96, 58,370.22 and 12,632.22 is: 18,945.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.96 : 58,370.22 = 12,632.22 : x
  2. Step 2: Convert to fraction form
    38,919.96/58,370.22 = 12,632.22/x
  3. Step 3: Cross multiply
    38,919.96x = 58,370.22 × 12,632.22
  4. Step 4: Simplify right side
    38,919.96x = 737,345,460.49
  5. Step 5: Solve for x
    x = 737,345,460.49/38,919.96
  6. Step 6: Final answer
    x = 18,945.18

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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.