Home / 38,919.60-58,378.80-26,408.52

Finding the Fourth Proportional to 38,919.60, 58,378.80 and 26,408.52

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Solution

The fourth proportional to 38,919.60, 58,378.80 and 26,408.52 is: 39,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.60 : 58,378.80 = 26,408.52 : x
  2. Step 2: Convert to fraction form
    38,919.60/58,378.80 = 26,408.52/x
  3. Step 3: Cross multiply
    38,919.60x = 58,378.80 × 26,408.52
  4. Step 4: Simplify right side
    38,919.60x = 1,541,697,707.38
  5. Step 5: Solve for x
    x = 1,541,697,707.38/38,919.60
  6. Step 6: Final answer
    x = 39,612.37

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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.