Home / 34,694.28-47,878.44-18,779.04

Finding the Fourth Proportional to 34,694.28, 47,878.44 and 18,779.04

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Solution

The fourth proportional to 34,694.28, 47,878.44 and 18,779.04 is: 25,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.28 : 47,878.44 = 18,779.04 : x
  2. Step 2: Convert to fraction form
    34,694.28/47,878.44 = 18,779.04/x
  3. Step 3: Cross multiply
    34,694.28x = 47,878.44 × 18,779.04
  4. Step 4: Simplify right side
    34,694.28x = 899,111,139.90
  5. Step 5: Solve for x
    x = 899,111,139.90/34,694.28
  6. Step 6: Final answer
    x = 25,915.26

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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.