Home / 53,269.22-79,883.05-19,971.11

Finding the Fourth Proportional to 53,269.22, 79,883.05 and 19,971.11

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Solution

The fourth proportional to 53,269.22, 79,883.05 and 19,971.11 is: 29,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.22 : 79,883.05 = 19,971.11 : x
  2. Step 2: Convert to fraction form
    53,269.22/79,883.05 = 19,971.11/x
  3. Step 3: Cross multiply
    53,269.22x = 79,883.05 × 19,971.11
  4. Step 4: Simplify right side
    53,269.22x = 1,595,353,178.69
  5. Step 5: Solve for x
    x = 1,595,353,178.69/53,269.22
  6. Step 6: Final answer
    x = 29,948.87

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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.