Home / 39,082.16-53,932.82-21,176.76

Finding the Fourth Proportional to 39,082.16, 53,932.82 and 21,176.76

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Solution

The fourth proportional to 39,082.16, 53,932.82 and 21,176.76 is: 29,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.16 : 53,932.82 = 21,176.76 : x
  2. Step 2: Convert to fraction form
    39,082.16/53,932.82 = 21,176.76/x
  3. Step 3: Cross multiply
    39,082.16x = 53,932.82 × 21,176.76
  4. Step 4: Simplify right side
    39,082.16x = 1,142,122,385.26
  5. Step 5: Solve for x
    x = 1,142,122,385.26/39,082.16
  6. Step 6: Final answer
    x = 29,223.62

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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.