Home / 34,543.45-47,665.73-21,791.82

Finding the Fourth Proportional to 34,543.45, 47,665.73 and 21,791.82

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Solution

The fourth proportional to 34,543.45, 47,665.73 and 21,791.82 is: 30,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,543.45 : 47,665.73 = 21,791.82 : x
  2. Step 2: Convert to fraction form
    34,543.45/47,665.73 = 21,791.82/x
  3. Step 3: Cross multiply
    34,543.45x = 47,665.73 × 21,791.82
  4. Step 4: Simplify right side
    34,543.45x = 1,038,723,008.33
  5. Step 5: Solve for x
    x = 1,038,723,008.33/34,543.45
  6. Step 6: Final answer
    x = 30,070.04

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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.