Home / 49,392.84-68,184-31,511.28

Finding the Fourth Proportional to 49,392.84, 68,184 and 31,511.28

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Solution

The fourth proportional to 49,392.84, 68,184 and 31,511.28 is: 43,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,392.84 : 68,184 = 31,511.28 : x
  2. Step 2: Convert to fraction form
    49,392.84/68,184 = 31,511.28/x
  3. Step 3: Cross multiply
    49,392.84x = 68,184 × 31,511.28
  4. Step 4: Simplify right side
    49,392.84x = 2,148,565,115.52
  5. Step 5: Solve for x
    x = 2,148,565,115.52/49,392.84
  6. Step 6: Final answer
    x = 43,499.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.