Home / 39,867.45-59,809.61-11,785.29

Finding the Fourth Proportional to 39,867.45, 59,809.61 and 11,785.29

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Solution

The fourth proportional to 39,867.45, 59,809.61 and 11,785.29 is: 17,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.45 : 59,809.61 = 11,785.29 : x
  2. Step 2: Convert to fraction form
    39,867.45/59,809.61 = 11,785.29/x
  3. Step 3: Cross multiply
    39,867.45x = 59,809.61 × 11,785.29
  4. Step 4: Simplify right side
    39,867.45x = 704,873,598.64
  5. Step 5: Solve for x
    x = 704,873,598.64/39,867.45
  6. Step 6: Final answer
    x = 17,680.43

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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.