Home / 39,862.28-59,799.87-11,785.16

Finding the Fourth Proportional to 39,862.28, 59,799.87 and 11,785.16

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Solution

The fourth proportional to 39,862.28, 59,799.87 and 11,785.16 is: 17,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.28 : 59,799.87 = 11,785.16 : x
  2. Step 2: Convert to fraction form
    39,862.28/59,799.87 = 11,785.16/x
  3. Step 3: Cross multiply
    39,862.28x = 59,799.87 × 11,785.16
  4. Step 4: Simplify right side
    39,862.28x = 704,750,736.93
  5. Step 5: Solve for x
    x = 704,750,736.93/39,862.28
  6. Step 6: Final answer
    x = 17,679.64

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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.