Home / 53,721.11-80,582.40-14,278.02

Finding the Fourth Proportional to 53,721.11, 80,582.40 and 14,278.02

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Solution

The fourth proportional to 53,721.11, 80,582.40 and 14,278.02 is: 21,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,721.11 : 80,582.40 = 14,278.02 : x
  2. Step 2: Convert to fraction form
    53,721.11/80,582.40 = 14,278.02/x
  3. Step 3: Cross multiply
    53,721.11x = 80,582.40 × 14,278.02
  4. Step 4: Simplify right side
    53,721.11x = 1,150,557,118.85
  5. Step 5: Solve for x
    x = 1,150,557,118.85/53,721.11
  6. Step 6: Final answer
    x = 21,417.23

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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.