Home / 82,284.04-123,426.06-19,954

Finding the Fourth Proportional to 82,284.04, 123,426.06 and 19,954

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Solution

The fourth proportional to 82,284.04, 123,426.06 and 19,954 is: 29,931

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,284.04 : 123,426.06 = 19,954 : x
  2. Step 2: Convert to fraction form
    82,284.04/123,426.06 = 19,954/x
  3. Step 3: Cross multiply
    82,284.04x = 123,426.06 × 19,954
  4. Step 4: Simplify right side
    82,284.04x = 2,462,843,601.24
  5. Step 5: Solve for x
    x = 2,462,843,601.24/82,284.04
  6. Step 6: Final answer
    x = 29,931

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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.