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Finding the Fourth Proportional to 53,180.52, 79,737.52 and 19,883.04

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Solution

The fourth proportional to 53,180.52, 79,737.52 and 19,883.04 is: 29,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.52 : 79,737.52 = 19,883.04 : x
  2. Step 2: Convert to fraction form
    53,180.52/79,737.52 = 19,883.04/x
  3. Step 3: Cross multiply
    53,180.52x = 79,737.52 × 19,883.04
  4. Step 4: Simplify right side
    53,180.52x = 1,585,424,299.66
  5. Step 5: Solve for x
    x = 1,585,424,299.66/53,180.52
  6. Step 6: Final answer
    x = 29,812.12

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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.