Home / 53,876.49-80,851.61-18,816.15

Finding the Fourth Proportional to 53,876.49, 80,851.61 and 18,816.15

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Solution

The fourth proportional to 53,876.49, 80,851.61 and 18,816.15 is: 28,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,876.49 : 80,851.61 = 18,816.15 : x
  2. Step 2: Convert to fraction form
    53,876.49/80,851.61 = 18,816.15/x
  3. Step 3: Cross multiply
    53,876.49x = 80,851.61 × 18,816.15
  4. Step 4: Simplify right side
    53,876.49x = 1,521,315,927.42
  5. Step 5: Solve for x
    x = 1,521,315,927.42/53,876.49
  6. Step 6: Final answer
    x = 28,237.10

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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.