Home / 50,519.40-75,769.83-18,926.36

Finding the Fourth Proportional to 50,519.40, 75,769.83 and 18,926.36

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Solution

The fourth proportional to 50,519.40, 75,769.83 and 18,926.36 is: 28,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,519.40 : 75,769.83 = 18,926.36 : x
  2. Step 2: Convert to fraction form
    50,519.40/75,769.83 = 18,926.36/x
  3. Step 3: Cross multiply
    50,519.40x = 75,769.83 × 18,926.36
  4. Step 4: Simplify right side
    50,519.40x = 1,434,046,985.01
  5. Step 5: Solve for x
    x = 1,434,046,985.01/50,519.40
  6. Step 6: Final answer
    x = 28,386.07

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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.