Home / 39,082.92-53,934.18-21,177.84

Finding the Fourth Proportional to 39,082.92, 53,934.18 and 21,177.84

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Solution

The fourth proportional to 39,082.92, 53,934.18 and 21,177.84 is: 29,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,082.92 : 53,934.18 = 21,177.84 : x
  2. Step 2: Convert to fraction form
    39,082.92/53,934.18 = 21,177.84/x
  3. Step 3: Cross multiply
    39,082.92x = 53,934.18 × 21,177.84
  4. Step 4: Simplify right side
    39,082.92x = 1,142,209,434.57
  5. Step 5: Solve for x
    x = 1,142,209,434.57/39,082.92
  6. Step 6: Final answer
    x = 29,225.28

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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.