Home / 51,377.79-77,077.47-21,794.97

Finding the Fourth Proportional to 51,377.79, 77,077.47 and 21,794.97

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Solution

The fourth proportional to 51,377.79, 77,077.47 and 21,794.97 is: 32,697.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,377.79 : 77,077.47 = 21,794.97 : x
  2. Step 2: Convert to fraction form
    51,377.79/77,077.47 = 21,794.97/x
  3. Step 3: Cross multiply
    51,377.79x = 77,077.47 × 21,794.97
  4. Step 4: Simplify right side
    51,377.79x = 1,679,901,517.10
  5. Step 5: Solve for x
    x = 1,679,901,517.10/51,377.79
  6. Step 6: Final answer
    x = 32,697.03

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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.