Home / 45,517.01-68,278.37-13,928.08

Finding the Fourth Proportional to 45,517.01, 68,278.37 and 13,928.08

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Solution

The fourth proportional to 45,517.01, 68,278.37 and 13,928.08 is: 20,892.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,517.01 : 68,278.37 = 13,928.08 : x
  2. Step 2: Convert to fraction form
    45,517.01/68,278.37 = 13,928.08/x
  3. Step 3: Cross multiply
    45,517.01x = 68,278.37 × 13,928.08
  4. Step 4: Simplify right side
    45,517.01x = 950,986,334.46
  5. Step 5: Solve for x
    x = 950,986,334.46/45,517.01
  6. Step 6: Final answer
    x = 20,892.99

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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.