Home / 45,431.06-68,040.75-43,854.62

Finding the Fourth Proportional to 45,431.06, 68,040.75 and 43,854.62

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Solution

The fourth proportional to 45,431.06, 68,040.75 and 43,854.62 is: 65,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.06 : 68,040.75 = 43,854.62 : x
  2. Step 2: Convert to fraction form
    45,431.06/68,040.75 = 43,854.62/x
  3. Step 3: Cross multiply
    45,431.06x = 68,040.75 × 43,854.62
  4. Step 4: Simplify right side
    45,431.06x = 2,983,901,235.77
  5. Step 5: Solve for x
    x = 2,983,901,235.77/45,431.06
  6. Step 6: Final answer
    x = 65,679.76

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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.