Home / 29,862.60-44,891.10-21,157.80

Finding the Fourth Proportional to 29,862.60, 44,891.10 and 21,157.80

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Solution

The fourth proportional to 29,862.60, 44,891.10 and 21,157.80 is: 31,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,862.60 : 44,891.10 = 21,157.80 : x
  2. Step 2: Convert to fraction form
    29,862.60/44,891.10 = 21,157.80/x
  3. Step 3: Cross multiply
    29,862.60x = 44,891.10 × 21,157.80
  4. Step 4: Simplify right side
    29,862.60x = 949,796,915.58
  5. Step 5: Solve for x
    x = 949,796,915.58/29,862.60
  6. Step 6: Final answer
    x = 31,805.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.