Home / 48,641.20-67,123.96-27,420.48

Finding the Fourth Proportional to 48,641.20, 67,123.96 and 27,420.48

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Solution

The fourth proportional to 48,641.20, 67,123.96 and 27,420.48 is: 37,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,641.20 : 67,123.96 = 27,420.48 : x
  2. Step 2: Convert to fraction form
    48,641.20/67,123.96 = 27,420.48/x
  3. Step 3: Cross multiply
    48,641.20x = 67,123.96 × 27,420.48
  4. Step 4: Simplify right side
    48,641.20x = 1,840,571,065.60
  5. Step 5: Solve for x
    x = 1,840,571,065.60/48,641.20
  6. Step 6: Final answer
    x = 37,839.75

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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.