Home / 30,113.75-41,557.25-16,685.30

Finding the Fourth Proportional to 30,113.75, 41,557.25 and 16,685.30

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Solution

The fourth proportional to 30,113.75, 41,557.25 and 16,685.30 is: 23,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.75 : 41,557.25 = 16,685.30 : x
  2. Step 2: Convert to fraction form
    30,113.75/41,557.25 = 16,685.30/x
  3. Step 3: Cross multiply
    30,113.75x = 41,557.25 × 16,685.30
  4. Step 4: Simplify right side
    30,113.75x = 693,395,329.03
  5. Step 5: Solve for x
    x = 693,395,329.03/30,113.75
  6. Step 6: Final answer
    x = 23,025.87

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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.