Home / 45,391.92-68,016.70-28,716.72

Finding the Fourth Proportional to 45,391.92, 68,016.70 and 28,716.72

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Solution

The fourth proportional to 45,391.92, 68,016.70 and 28,716.72 is: 43,030.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.92 : 68,016.70 = 28,716.72 : x
  2. Step 2: Convert to fraction form
    45,391.92/68,016.70 = 28,716.72/x
  3. Step 3: Cross multiply
    45,391.92x = 68,016.70 × 28,716.72
  4. Step 4: Simplify right side
    45,391.92x = 1,953,216,728.79
  5. Step 5: Solve for x
    x = 1,953,216,728.79/45,391.92
  6. Step 6: Final answer
    x = 43,030.06

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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.