Home / 61,721.99-85,181.59-34,869.42

Finding the Fourth Proportional to 61,721.99, 85,181.59 and 34,869.42

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Solution

The fourth proportional to 61,721.99, 85,181.59 and 34,869.42 is: 48,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,721.99 : 85,181.59 = 34,869.42 : x
  2. Step 2: Convert to fraction form
    61,721.99/85,181.59 = 34,869.42/x
  3. Step 3: Cross multiply
    61,721.99x = 85,181.59 × 34,869.42
  4. Step 4: Simplify right side
    61,721.99x = 2,970,232,637.98
  5. Step 5: Solve for x
    x = 2,970,232,637.98/61,721.99
  6. Step 6: Final answer
    x = 48,122.76

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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.