Home / 61,915.11-85,442.10-33,621

Finding the Fourth Proportional to 61,915.11, 85,442.10 and 33,621

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Solution

The fourth proportional to 61,915.11, 85,442.10 and 33,621 is: 46,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,915.11 : 85,442.10 = 33,621 : x
  2. Step 2: Convert to fraction form
    61,915.11/85,442.10 = 33,621/x
  3. Step 3: Cross multiply
    61,915.11x = 85,442.10 × 33,621
  4. Step 4: Simplify right side
    61,915.11x = 2,872,648,844.10
  5. Step 5: Solve for x
    x = 2,872,648,844.10/61,915.11
  6. Step 6: Final answer
    x = 46,396.57

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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.