Home / 51,619.60-77,377.10-34,981.30

Finding the Fourth Proportional to 51,619.60, 77,377.10 and 34,981.30

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Solution

The fourth proportional to 51,619.60, 77,377.10 and 34,981.30 is: 52,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.60 : 77,377.10 = 34,981.30 : x
  2. Step 2: Convert to fraction form
    51,619.60/77,377.10 = 34,981.30/x
  3. Step 3: Cross multiply
    51,619.60x = 77,377.10 × 34,981.30
  4. Step 4: Simplify right side
    51,619.60x = 2,706,751,548.23
  5. Step 5: Solve for x
    x = 2,706,751,548.23/51,619.60
  6. Step 6: Final answer
    x = 52,436.51

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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.