Home / 61,136.90-84,367.85-34,279.33

Finding the Fourth Proportional to 61,136.90, 84,367.85 and 34,279.33

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Solution

The fourth proportional to 61,136.90, 84,367.85 and 34,279.33 is: 47,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.90 : 84,367.85 = 34,279.33 : x
  2. Step 2: Convert to fraction form
    61,136.90/84,367.85 = 34,279.33/x
  3. Step 3: Cross multiply
    61,136.90x = 84,367.85 × 34,279.33
  4. Step 4: Simplify right side
    61,136.90x = 2,892,072,989.22
  5. Step 5: Solve for x
    x = 2,892,072,989.22/61,136.90
  6. Step 6: Final answer
    x = 47,304.87

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1.5x scale

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.