Home / 34,743.38-47,934.72-21,307.91

Finding the Fourth Proportional to 34,743.38, 47,934.72 and 21,307.91

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Solution

The fourth proportional to 34,743.38, 47,934.72 and 21,307.91 is: 29,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,743.38 : 47,934.72 = 21,307.91 : x
  2. Step 2: Convert to fraction form
    34,743.38/47,934.72 = 21,307.91/x
  3. Step 3: Cross multiply
    34,743.38x = 47,934.72 × 21,307.91
  4. Step 4: Simplify right side
    34,743.38x = 1,021,388,459.96
  5. Step 5: Solve for x
    x = 1,021,388,459.96/34,743.38
  6. Step 6: Final answer
    x = 29,398.08

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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.