Home / 39,116.16-58,704.75-20,401.11

Finding the Fourth Proportional to 39,116.16, 58,704.75 and 20,401.11

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Solution

The fourth proportional to 39,116.16, 58,704.75 and 20,401.11 is: 30,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,116.16 : 58,704.75 = 20,401.11 : x
  2. Step 2: Convert to fraction form
    39,116.16/58,704.75 = 20,401.11/x
  3. Step 3: Cross multiply
    39,116.16x = 58,704.75 × 20,401.11
  4. Step 4: Simplify right side
    39,116.16x = 1,197,642,062.27
  5. Step 5: Solve for x
    x = 1,197,642,062.27/39,116.16
  6. Step 6: Final answer
    x = 30,617.58

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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.