Home / 72,039.10-108,050.14-19,452.69

Finding the Fourth Proportional to 72,039.10, 108,050.14 and 19,452.69

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Solution

The fourth proportional to 72,039.10, 108,050.14 and 19,452.69 is: 29,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,039.10 : 108,050.14 = 19,452.69 : x
  2. Step 2: Convert to fraction form
    72,039.10/108,050.14 = 19,452.69/x
  3. Step 3: Cross multiply
    72,039.10x = 108,050.14 × 19,452.69
  4. Step 4: Simplify right side
    72,039.10x = 2,101,865,877.88
  5. Step 5: Solve for x
    x = 2,101,865,877.88/72,039.10
  6. Step 6: Final answer
    x = 29,176.74

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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.