Home / 34,694.67-47,878.62-18,779.12

Finding the Fourth Proportional to 34,694.67, 47,878.62 and 18,779.12

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Solution

The fourth proportional to 34,694.67, 47,878.62 and 18,779.12 is: 25,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.67 : 47,878.62 = 18,779.12 : x
  2. Step 2: Convert to fraction form
    34,694.67/47,878.62 = 18,779.12/x
  3. Step 3: Cross multiply
    34,694.67x = 47,878.62 × 18,779.12
  4. Step 4: Simplify right side
    34,694.67x = 899,118,111.02
  5. Step 5: Solve for x
    x = 899,118,111.02/34,694.67
  6. Step 6: Final answer
    x = 25,915.17

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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.