Home / 40,231.74-55,483.47-25,125.78

Finding the Fourth Proportional to 40,231.74, 55,483.47 and 25,125.78

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Solution

The fourth proportional to 40,231.74, 55,483.47 and 25,125.78 is: 34,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.74 : 55,483.47 = 25,125.78 : x
  2. Step 2: Convert to fraction form
    40,231.74/55,483.47 = 25,125.78/x
  3. Step 3: Cross multiply
    40,231.74x = 55,483.47 × 25,125.78
  4. Step 4: Simplify right side
    40,231.74x = 1,394,065,460.86
  5. Step 5: Solve for x
    x = 1,394,065,460.86/40,231.74
  6. Step 6: Final answer
    x = 34,650.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.