Home / 29,864.61-44,787.80-10,138.78

Finding the Fourth Proportional to 29,864.61, 44,787.80 and 10,138.78

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Solution

The fourth proportional to 29,864.61, 44,787.80 and 10,138.78 is: 15,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,864.61 : 44,787.80 = 10,138.78 : x
  2. Step 2: Convert to fraction form
    29,864.61/44,787.80 = 10,138.78/x
  3. Step 3: Cross multiply
    29,864.61x = 44,787.80 × 10,138.78
  4. Step 4: Simplify right side
    29,864.61x = 454,093,732.22
  5. Step 5: Solve for x
    x = 454,093,732.22/29,864.61
  6. Step 6: Final answer
    x = 15,205.08

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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.