Home / 53,209.82-79,814.19-15,770.18

Finding the Fourth Proportional to 53,209.82, 79,814.19 and 15,770.18

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Solution

The fourth proportional to 53,209.82, 79,814.19 and 15,770.18 is: 23,655.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.82 : 79,814.19 = 15,770.18 : x
  2. Step 2: Convert to fraction form
    53,209.82/79,814.19 = 15,770.18/x
  3. Step 3: Cross multiply
    53,209.82x = 79,814.19 × 15,770.18
  4. Step 4: Simplify right side
    53,209.82x = 1,258,684,142.85
  5. Step 5: Solve for x
    x = 1,258,684,142.85/53,209.82
  6. Step 6: Final answer
    x = 23,655.11

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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.