Home / 39,400.71-59,112-21,882.84

Finding the Fourth Proportional to 39,400.71, 59,112 and 21,882.84

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Solution

The fourth proportional to 39,400.71, 59,112 and 21,882.84 is: 32,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.71 : 59,112 = 21,882.84 : x
  2. Step 2: Convert to fraction form
    39,400.71/59,112 = 21,882.84/x
  3. Step 3: Cross multiply
    39,400.71x = 59,112 × 21,882.84
  4. Step 4: Simplify right side
    39,400.71x = 1,293,538,438.08
  5. Step 5: Solve for x
    x = 1,293,538,438.08/39,400.71
  6. Step 6: Final answer
    x = 32,830.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.