Home / 53,187.39-79,780.84-15,747.69

Finding the Fourth Proportional to 53,187.39, 79,780.84 and 15,747.69

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Solution

The fourth proportional to 53,187.39, 79,780.84 and 15,747.69 is: 23,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187.39 : 79,780.84 = 15,747.69 : x
  2. Step 2: Convert to fraction form
    53,187.39/79,780.84 = 15,747.69/x
  3. Step 3: Cross multiply
    53,187.39x = 79,780.84 × 15,747.69
  4. Step 4: Simplify right side
    53,187.39x = 1,256,363,896.89
  5. Step 5: Solve for x
    x = 1,256,363,896.89/53,187.39
  6. Step 6: Final answer
    x = 23,621.46

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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.