Home / 39,082.60-53,930.10-22,315.24

Finding the Fourth Proportional to 39,082.60, 53,930.10 and 22,315.24

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Solution

The fourth proportional to 39,082.60, 53,930.10 and 22,315.24 is: 30,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.60 : 53,930.10 = 22,315.24 : x
  2. Step 2: Convert to fraction form
    39,082.60/53,930.10 = 22,315.24/x
  3. Step 3: Cross multiply
    39,082.60x = 53,930.10 × 22,315.24
  4. Step 4: Simplify right side
    39,082.60x = 1,203,463,124.72
  5. Step 5: Solve for x
    x = 1,203,463,124.72/39,082.60
  6. Step 6: Final answer
    x = 30,792.81

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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.