Home / 39,928.71-59,882.84-11,842.20

Finding the Fourth Proportional to 39,928.71, 59,882.84 and 11,842.20

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Solution

The fourth proportional to 39,928.71, 59,882.84 and 11,842.20 is: 17,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.71 : 59,882.84 = 11,842.20 : x
  2. Step 2: Convert to fraction form
    39,928.71/59,882.84 = 11,842.20/x
  3. Step 3: Cross multiply
    39,928.71x = 59,882.84 × 11,842.20
  4. Step 4: Simplify right side
    39,928.71x = 709,144,508.64
  5. Step 5: Solve for x
    x = 709,144,508.64/39,928.71
  6. Step 6: Final answer
    x = 17,760.27

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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.