Home / 30,961.65-42,723.34-17,350.41

Finding the Fourth Proportional to 30,961.65, 42,723.34 and 17,350.41

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Solution

The fourth proportional to 30,961.65, 42,723.34 and 17,350.41 is: 23,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.65 : 42,723.34 = 17,350.41 : x
  2. Step 2: Convert to fraction form
    30,961.65/42,723.34 = 17,350.41/x
  3. Step 3: Cross multiply
    30,961.65x = 42,723.34 × 17,350.41
  4. Step 4: Simplify right side
    30,961.65x = 741,267,465.57
  5. Step 5: Solve for x
    x = 741,267,465.57/30,961.65
  6. Step 6: Final answer
    x = 23,941.47

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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.