Home / 71,271.80-98,353.68-39,442.04

Finding the Fourth Proportional to 71,271.80, 98,353.68 and 39,442.04

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Solution

The fourth proportional to 71,271.80, 98,353.68 and 39,442.04 is: 54,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,271.80 : 98,353.68 = 39,442.04 : x
  2. Step 2: Convert to fraction form
    71,271.80/98,353.68 = 39,442.04/x
  3. Step 3: Cross multiply
    71,271.80x = 98,353.68 × 39,442.04
  4. Step 4: Simplify right side
    71,271.80x = 3,879,269,780.71
  5. Step 5: Solve for x
    x = 3,879,269,780.71/71,271.80
  6. Step 6: Final answer
    x = 54,429.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.