Home / 61,721.75-85,174.99-34,498.46

Finding the Fourth Proportional to 61,721.75, 85,174.99 and 34,498.46

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Solution

The fourth proportional to 61,721.75, 85,174.99 and 34,498.46 is: 47,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.75 : 85,174.99 = 34,498.46 : x
  2. Step 2: Convert to fraction form
    61,721.75/85,174.99 = 34,498.46/x
  3. Step 3: Cross multiply
    61,721.75x = 85,174.99 × 34,498.46
  4. Step 4: Simplify right side
    61,721.75x = 2,938,406,112.21
  5. Step 5: Solve for x
    x = 2,938,406,112.21/61,721.75
  6. Step 6: Final answer
    x = 47,607.31

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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.