Home / 40,963.51-61,478.07-18,787.33

Finding the Fourth Proportional to 40,963.51, 61,478.07 and 18,787.33

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Solution

The fourth proportional to 40,963.51, 61,478.07 and 18,787.33 is: 28,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,963.51 : 61,478.07 = 18,787.33 : x
  2. Step 2: Convert to fraction form
    40,963.51/61,478.07 = 18,787.33/x
  3. Step 3: Cross multiply
    40,963.51x = 61,478.07 × 18,787.33
  4. Step 4: Simplify right side
    40,963.51x = 1,155,008,788.85
  5. Step 5: Solve for x
    x = 1,155,008,788.85/40,963.51
  6. Step 6: Final answer
    x = 28,196.04

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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.