Home / 39,926.40-59,877.60-11,839.84

Finding the Fourth Proportional to 39,926.40, 59,877.60 and 11,839.84

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Solution

The fourth proportional to 39,926.40, 59,877.60 and 11,839.84 is: 17,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,926.40 : 59,877.60 = 11,839.84 : x
  2. Step 2: Convert to fraction form
    39,926.40/59,877.60 = 11,839.84/x
  3. Step 3: Cross multiply
    39,926.40x = 59,877.60 × 11,839.84
  4. Step 4: Simplify right side
    39,926.40x = 708,941,203.58
  5. Step 5: Solve for x
    x = 708,941,203.58/39,926.40
  6. Step 6: Final answer
    x = 17,756.20

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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.