Home / 61,284.28-91,926.44-19,731.28

Finding the Fourth Proportional to 61,284.28, 91,926.44 and 19,731.28

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Solution

The fourth proportional to 61,284.28, 91,926.44 and 19,731.28 is: 29,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.28 : 91,926.44 = 19,731.28 : x
  2. Step 2: Convert to fraction form
    61,284.28/91,926.44 = 19,731.28/x
  3. Step 3: Cross multiply
    61,284.28x = 91,926.44 × 19,731.28
  4. Step 4: Simplify right side
    61,284.28x = 1,813,826,327.04
  5. Step 5: Solve for x
    x = 1,813,826,327.04/61,284.28
  6. Step 6: Final answer
    x = 29,596.93

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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.