Home / 53,269.11-79,916.18-15,829.47

Finding the Fourth Proportional to 53,269.11, 79,916.18 and 15,829.47

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Solution

The fourth proportional to 53,269.11, 79,916.18 and 15,829.47 is: 23,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,269.11 : 79,916.18 = 15,829.47 : x
  2. Step 2: Convert to fraction form
    53,269.11/79,916.18 = 15,829.47/x
  3. Step 3: Cross multiply
    53,269.11x = 79,916.18 × 15,829.47
  4. Step 4: Simplify right side
    53,269.11x = 1,265,030,694.68
  5. Step 5: Solve for x
    x = 1,265,030,694.68/53,269.11
  6. Step 6: Final answer
    x = 23,747.92

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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.