Home / 39,516.36-54,532.45-21,366.95

Finding the Fourth Proportional to 39,516.36, 54,532.45 and 21,366.95

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Solution

The fourth proportional to 39,516.36, 54,532.45 and 21,366.95 is: 29,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.36 : 54,532.45 = 21,366.95 : x
  2. Step 2: Convert to fraction form
    39,516.36/54,532.45 = 21,366.95/x
  3. Step 3: Cross multiply
    39,516.36x = 54,532.45 × 21,366.95
  4. Step 4: Simplify right side
    39,516.36x = 1,165,192,176.19
  5. Step 5: Solve for x
    x = 1,165,192,176.19/39,516.36
  6. Step 6: Final answer
    x = 29,486.33

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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.