Home / 48,515.56-72,750.29-16,921.78

Finding the Fourth Proportional to 48,515.56, 72,750.29 and 16,921.78

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Solution

The fourth proportional to 48,515.56, 72,750.29 and 16,921.78 is: 25,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515.56 : 72,750.29 = 16,921.78 : x
  2. Step 2: Convert to fraction form
    48,515.56/72,750.29 = 16,921.78/x
  3. Step 3: Cross multiply
    48,515.56x = 72,750.29 × 16,921.78
  4. Step 4: Simplify right side
    48,515.56x = 1,231,064,360.68
  5. Step 5: Solve for x
    x = 1,231,064,360.68/48,515.56
  6. Step 6: Final answer
    x = 25,374.63

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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.