Home / 53,292.25-79,932.70-28,305.78

Finding the Fourth Proportional to 53,292.25, 79,932.70 and 28,305.78

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Solution

The fourth proportional to 53,292.25, 79,932.70 and 28,305.78 is: 42,455.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,292.25 : 79,932.70 = 28,305.78 : x
  2. Step 2: Convert to fraction form
    53,292.25/79,932.70 = 28,305.78/x
  3. Step 3: Cross multiply
    53,292.25x = 79,932.70 × 28,305.78
  4. Step 4: Simplify right side
    53,292.25x = 2,262,557,421.01
  5. Step 5: Solve for x
    x = 2,262,557,421.01/53,292.25
  6. Step 6: Final answer
    x = 42,455.66

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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.