Home / 30,357.46-41,891.75-16,747.87

Finding the Fourth Proportional to 30,357.46, 41,891.75 and 16,747.87

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Solution

The fourth proportional to 30,357.46, 41,891.75 and 16,747.87 is: 23,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,357.46 : 41,891.75 = 16,747.87 : x
  2. Step 2: Convert to fraction form
    30,357.46/41,891.75 = 16,747.87/x
  3. Step 3: Cross multiply
    30,357.46x = 41,891.75 × 16,747.87
  4. Step 4: Simplify right side
    30,357.46x = 701,597,373.61
  5. Step 5: Solve for x
    x = 701,597,373.61/30,357.46
  6. Step 6: Final answer
    x = 23,111.21

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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.