Home / 38,656.98-57,982.23-19,926.90

Finding the Fourth Proportional to 38,656.98, 57,982.23 and 19,926.90

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Solution

The fourth proportional to 38,656.98, 57,982.23 and 19,926.90 is: 29,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.98 : 57,982.23 = 19,926.90 : x
  2. Step 2: Convert to fraction form
    38,656.98/57,982.23 = 19,926.90/x
  3. Step 3: Cross multiply
    38,656.98x = 57,982.23 × 19,926.90
  4. Step 4: Simplify right side
    38,656.98x = 1,155,406,098.99
  5. Step 5: Solve for x
    x = 1,155,406,098.99/38,656.98
  6. Step 6: Final answer
    x = 29,888.68

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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.