Home / 51,612.82-77,069.79-40,963.40

Finding the Fourth Proportional to 51,612.82, 77,069.79 and 40,963.40

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Solution

The fourth proportional to 51,612.82, 77,069.79 and 40,963.40 is: 61,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.82 : 77,069.79 = 40,963.40 : x
  2. Step 2: Convert to fraction form
    51,612.82/77,069.79 = 40,963.40/x
  3. Step 3: Cross multiply
    51,612.82x = 77,069.79 × 40,963.40
  4. Step 4: Simplify right side
    51,612.82x = 3,157,040,635.69
  5. Step 5: Solve for x
    x = 3,157,040,635.69/51,612.82
  6. Step 6: Final answer
    x = 61,167.76

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1.5x scale

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.