Home / 57,567.47-86,376.24-20,154.38

Finding the Fourth Proportional to 57,567.47, 86,376.24 and 20,154.38

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Solution

The fourth proportional to 57,567.47, 86,376.24 and 20,154.38 is: 30,240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,567.47 : 86,376.24 = 20,154.38 : x
  2. Step 2: Convert to fraction form
    57,567.47/86,376.24 = 20,154.38/x
  3. Step 3: Cross multiply
    57,567.47x = 86,376.24 × 20,154.38
  4. Step 4: Simplify right side
    57,567.47x = 1,740,859,132.05
  5. Step 5: Solve for x
    x = 1,740,859,132.05/57,567.47
  6. Step 6: Final answer
    x = 30,240.33

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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.