Home / 39,391.43-59,049.77-15,713.53

Finding the Fourth Proportional to 39,391.43, 59,049.77 and 15,713.53

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Solution

The fourth proportional to 39,391.43, 59,049.77 and 15,713.53 is: 23,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.43 : 59,049.77 = 15,713.53 : x
  2. Step 2: Convert to fraction form
    39,391.43/59,049.77 = 15,713.53/x
  3. Step 3: Cross multiply
    39,391.43x = 59,049.77 × 15,713.53
  4. Step 4: Simplify right side
    39,391.43x = 927,880,106.20
  5. Step 5: Solve for x
    x = 927,880,106.20/39,391.43
  6. Step 6: Final answer
    x = 23,555.38

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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.