Home / 39,082.50-53,933.85-21,177.36

Finding the Fourth Proportional to 39,082.50, 53,933.85 and 21,177.36

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Solution

The fourth proportional to 39,082.50, 53,933.85 and 21,177.36 is: 29,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.50 : 53,933.85 = 21,177.36 : x
  2. Step 2: Convert to fraction form
    39,082.50/53,933.85 = 21,177.36/x
  3. Step 3: Cross multiply
    39,082.50x = 53,933.85 × 21,177.36
  4. Step 4: Simplify right side
    39,082.50x = 1,142,176,557.64
  5. Step 5: Solve for x
    x = 1,142,176,557.64/39,082.50
  6. Step 6: Final answer
    x = 29,224.76

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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.