Home / 53,315.56-79,952.68-17,769.98

Finding the Fourth Proportional to 53,315.56, 79,952.68 and 17,769.98

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Solution

The fourth proportional to 53,315.56, 79,952.68 and 17,769.98 is: 26,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,315.56 : 79,952.68 = 17,769.98 : x
  2. Step 2: Convert to fraction form
    53,315.56/79,952.68 = 17,769.98/x
  3. Step 3: Cross multiply
    53,315.56x = 79,952.68 × 17,769.98
  4. Step 4: Simplify right side
    53,315.56x = 1,420,757,524.55
  5. Step 5: Solve for x
    x = 1,420,757,524.55/53,315.56
  6. Step 6: Final answer
    x = 26,648.08

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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.