Home / 67,038.14-100,573.82-20,291.16

Finding the Fourth Proportional to 67,038.14, 100,573.82 and 20,291.16

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Solution

The fourth proportional to 67,038.14, 100,573.82 and 20,291.16 is: 30,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,038.14 : 100,573.82 = 20,291.16 : x
  2. Step 2: Convert to fraction form
    67,038.14/100,573.82 = 20,291.16/x
  3. Step 3: Cross multiply
    67,038.14x = 100,573.82 × 20,291.16
  4. Step 4: Simplify right side
    67,038.14x = 2,040,759,473.43
  5. Step 5: Solve for x
    x = 2,040,759,473.43/67,038.14
  6. Step 6: Final answer
    x = 30,441.77

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1.5x scale

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.