Home / 48,489.30-72,735.17-13,429.26

Finding the Fourth Proportional to 48,489.30, 72,735.17 and 13,429.26

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Solution

The fourth proportional to 48,489.30, 72,735.17 and 13,429.26 is: 20,144.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,489.30 : 72,735.17 = 13,429.26 : x
  2. Step 2: Convert to fraction form
    48,489.30/72,735.17 = 13,429.26/x
  3. Step 3: Cross multiply
    48,489.30x = 72,735.17 × 13,429.26
  4. Step 4: Simplify right side
    48,489.30x = 976,779,441.93
  5. Step 5: Solve for x
    x = 976,779,441.93/48,489.30
  6. Step 6: Final answer
    x = 20,144.23

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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.