Home / 31,333.04-43,239.48-19,394

Finding the Fourth Proportional to 31,333.04, 43,239.48 and 19,394

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Solution

The fourth proportional to 31,333.04, 43,239.48 and 19,394 is: 26,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.04 : 43,239.48 = 19,394 : x
  2. Step 2: Convert to fraction form
    31,333.04/43,239.48 = 19,394/x
  3. Step 3: Cross multiply
    31,333.04x = 43,239.48 × 19,394
  4. Step 4: Simplify right side
    31,333.04x = 838,586,475.12
  5. Step 5: Solve for x
    x = 838,586,475.12/31,333.04
  6. Step 6: Final answer
    x = 26,763.65

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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.