Home / 50,869.40-70,198.47-28,208.03

Finding the Fourth Proportional to 50,869.40, 70,198.47 and 28,208.03

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Solution

The fourth proportional to 50,869.40, 70,198.47 and 28,208.03 is: 38,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,869.40 : 70,198.47 = 28,208.03 : x
  2. Step 2: Convert to fraction form
    50,869.40/70,198.47 = 28,208.03/x
  3. Step 3: Cross multiply
    50,869.40x = 70,198.47 × 28,208.03
  4. Step 4: Simplify right side
    50,869.40x = 1,980,160,196.72
  5. Step 5: Solve for x
    x = 1,980,160,196.72/50,869.40
  6. Step 6: Final answer
    x = 38,926.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.