Home / 38,759.62-53,487.58-21,763.99

Finding the Fourth Proportional to 38,759.62, 53,487.58 and 21,763.99

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Solution

The fourth proportional to 38,759.62, 53,487.58 and 21,763.99 is: 30,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,759.62 : 53,487.58 = 21,763.99 : x
  2. Step 2: Convert to fraction form
    38,759.62/53,487.58 = 21,763.99/x
  3. Step 3: Cross multiply
    38,759.62x = 53,487.58 × 21,763.99
  4. Step 4: Simplify right side
    38,759.62x = 1,164,103,156.24
  5. Step 5: Solve for x
    x = 1,164,103,156.24/38,759.62
  6. Step 6: Final answer
    x = 30,033.92

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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.