Home / 61,941.09-85,484.68-34,721.78

Finding the Fourth Proportional to 61,941.09, 85,484.68 and 34,721.78

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Solution

The fourth proportional to 61,941.09, 85,484.68 and 34,721.78 is: 47,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,941.09 : 85,484.68 = 34,721.78 : x
  2. Step 2: Convert to fraction form
    61,941.09/85,484.68 = 34,721.78/x
  3. Step 3: Cross multiply
    61,941.09x = 85,484.68 × 34,721.78
  4. Step 4: Simplify right side
    61,941.09x = 2,968,180,252.33
  5. Step 5: Solve for x
    x = 2,968,180,252.33/61,941.09
  6. Step 6: Final answer
    x = 47,919.41

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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.