Home / 49,715.32-74,592.42-18,553

Finding the Fourth Proportional to 49,715.32, 74,592.42 and 18,553

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Solution

The fourth proportional to 49,715.32, 74,592.42 and 18,553 is: 27,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,715.32 : 74,592.42 = 18,553 : x
  2. Step 2: Convert to fraction form
    49,715.32/74,592.42 = 18,553/x
  3. Step 3: Cross multiply
    49,715.32x = 74,592.42 × 18,553
  4. Step 4: Simplify right side
    49,715.32x = 1,383,913,168.26
  5. Step 5: Solve for x
    x = 1,383,913,168.26/49,715.32
  6. Step 6: Final answer
    x = 27,836.75

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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.