Home / 39,928.60-59,882.67-11,842.09

Finding the Fourth Proportional to 39,928.60, 59,882.67 and 11,842.09

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Solution

The fourth proportional to 39,928.60, 59,882.67 and 11,842.09 is: 17,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,928.60 : 59,882.67 = 11,842.09 : x
  2. Step 2: Convert to fraction form
    39,928.60/59,882.67 = 11,842.09/x
  3. Step 3: Cross multiply
    39,928.60x = 59,882.67 × 11,842.09
  4. Step 4: Simplify right side
    39,928.60x = 709,135,967.58
  5. Step 5: Solve for x
    x = 709,135,967.58/39,928.60
  6. Step 6: Final answer
    x = 17,760.10

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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.