Home / 51,146.12-76,449.87-44,429.40

Finding the Fourth Proportional to 51,146.12, 76,449.87 and 44,429.40

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Solution

The fourth proportional to 51,146.12, 76,449.87 and 44,429.40 is: 66,410.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,146.12 : 76,449.87 = 44,429.40 : x
  2. Step 2: Convert to fraction form
    51,146.12/76,449.87 = 44,429.40/x
  3. Step 3: Cross multiply
    51,146.12x = 76,449.87 × 44,429.40
  4. Step 4: Simplify right side
    51,146.12x = 3,396,621,854.18
  5. Step 5: Solve for x
    x = 3,396,621,854.18/51,146.12
  6. Step 6: Final answer
    x = 66,410.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.