Home / 51,449.40-77,121.47-34,811.19

Finding the Fourth Proportional to 51,449.40, 77,121.47 and 34,811.19

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Solution

The fourth proportional to 51,449.40, 77,121.47 and 34,811.19 is: 52,181.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,449.40 : 77,121.47 = 34,811.19 : x
  2. Step 2: Convert to fraction form
    51,449.40/77,121.47 = 34,811.19/x
  3. Step 3: Cross multiply
    51,449.40x = 77,121.47 × 34,811.19
  4. Step 4: Simplify right side
    51,449.40x = 2,684,690,145.25
  5. Step 5: Solve for x
    x = 2,684,690,145.25/51,449.40
  6. Step 6: Final answer
    x = 52,181.18

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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.