Home / 52,271.34-78,382.31-20,265.41

Finding the Fourth Proportional to 52,271.34, 78,382.31 and 20,265.41

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Solution

The fourth proportional to 52,271.34, 78,382.31 and 20,265.41 is: 30,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,271.34 : 78,382.31 = 20,265.41 : x
  2. Step 2: Convert to fraction form
    52,271.34/78,382.31 = 20,265.41/x
  3. Step 3: Cross multiply
    52,271.34x = 78,382.31 × 20,265.41
  4. Step 4: Simplify right side
    52,271.34x = 1,588,449,155.66
  5. Step 5: Solve for x
    x = 1,588,449,155.66/52,271.34
  6. Step 6: Final answer
    x = 30,388.53

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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.