Home / 39,920.84-59,860.35-11,837.02

Finding the Fourth Proportional to 39,920.84, 59,860.35 and 11,837.02

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Solution

The fourth proportional to 39,920.84, 59,860.35 and 11,837.02 is: 17,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,920.84 : 59,860.35 = 11,837.02 : x
  2. Step 2: Convert to fraction form
    39,920.84/59,860.35 = 11,837.02/x
  3. Step 3: Cross multiply
    39,920.84x = 59,860.35 × 11,837.02
  4. Step 4: Simplify right side
    39,920.84x = 708,568,425.22
  5. Step 5: Solve for x
    x = 708,568,425.22/39,920.84
  6. Step 6: Final answer
    x = 17,749.34

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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.