Home / 51,920.92-77,881.40-29,718.84

Finding the Fourth Proportional to 51,920.92, 77,881.40 and 29,718.84

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Solution

The fourth proportional to 51,920.92, 77,881.40 and 29,718.84 is: 44,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,920.92 : 77,881.40 = 29,718.84 : x
  2. Step 2: Convert to fraction form
    51,920.92/77,881.40 = 29,718.84/x
  3. Step 3: Cross multiply
    51,920.92x = 77,881.40 × 29,718.84
  4. Step 4: Simplify right side
    51,920.92x = 2,314,544,865.58
  5. Step 5: Solve for x
    x = 2,314,544,865.58/51,920.92
  6. Step 6: Final answer
    x = 44,578.27

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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.