Home / 40,255.21-60,289.38-38,854

Finding the Fourth Proportional to 40,255.21, 60,289.38 and 38,854

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Solution

The fourth proportional to 40,255.21, 60,289.38 and 38,854 is: 58,190.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,255.21 : 60,289.38 = 38,854 : x
  2. Step 2: Convert to fraction form
    40,255.21/60,289.38 = 38,854/x
  3. Step 3: Cross multiply
    40,255.21x = 60,289.38 × 38,854
  4. Step 4: Simplify right side
    40,255.21x = 2,342,483,570.52
  5. Step 5: Solve for x
    x = 2,342,483,570.52/40,255.21
  6. Step 6: Final answer
    x = 58,190.82

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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.