Home / 30,275.33-41,780.21-16,847.15

Finding the Fourth Proportional to 30,275.33, 41,780.21 and 16,847.15

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Solution

The fourth proportional to 30,275.33, 41,780.21 and 16,847.15 is: 23,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,275.33 : 41,780.21 = 16,847.15 : x
  2. Step 2: Convert to fraction form
    30,275.33/41,780.21 = 16,847.15/x
  3. Step 3: Cross multiply
    30,275.33x = 41,780.21 × 16,847.15
  4. Step 4: Simplify right side
    30,275.33x = 703,877,171.76
  5. Step 5: Solve for x
    x = 703,877,171.76/30,275.33
  6. Step 6: Final answer
    x = 23,249.20

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1.5x scale

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.