Home / 39,821.17-59,768.71-20,113.57

Finding the Fourth Proportional to 39,821.17, 59,768.71 and 20,113.57

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Solution

The fourth proportional to 39,821.17, 59,768.71 and 20,113.57 is: 30,189.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,821.17 : 59,768.71 = 20,113.57 : x
  2. Step 2: Convert to fraction form
    39,821.17/59,768.71 = 20,113.57/x
  3. Step 3: Cross multiply
    39,821.17x = 59,768.71 × 20,113.57
  4. Step 4: Simplify right side
    39,821.17x = 1,202,162,132.39
  5. Step 5: Solve for x
    x = 1,202,162,132.39/39,821.17
  6. Step 6: Final answer
    x = 30,189.02

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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.