Home / 38,741.79-58,081.25-13,768.08

Finding the Fourth Proportional to 38,741.79, 58,081.25 and 13,768.08

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Solution

The fourth proportional to 38,741.79, 58,081.25 and 13,768.08 is: 20,640.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,741.79 : 58,081.25 = 13,768.08 : x
  2. Step 2: Convert to fraction form
    38,741.79/58,081.25 = 13,768.08/x
  3. Step 3: Cross multiply
    38,741.79x = 58,081.25 × 13,768.08
  4. Step 4: Simplify right side
    38,741.79x = 799,667,113.12
  5. Step 5: Solve for x
    x = 799,667,113.12/38,741.79
  6. Step 6: Final answer
    x = 20,640.94

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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.