Home / 52,148.16-78,163.36-25,871.68

Finding the Fourth Proportional to 52,148.16, 78,163.36 and 25,871.68

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Solution

The fourth proportional to 52,148.16, 78,163.36 and 25,871.68 is: 38,778.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,148.16 : 78,163.36 = 25,871.68 : x
  2. Step 2: Convert to fraction form
    52,148.16/78,163.36 = 25,871.68/x
  3. Step 3: Cross multiply
    52,148.16x = 78,163.36 × 25,871.68
  4. Step 4: Simplify right side
    52,148.16x = 2,022,217,437.64
  5. Step 5: Solve for x
    x = 2,022,217,437.64/52,148.16
  6. Step 6: Final answer
    x = 38,778.31

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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.