Home / 34,779.72-47,996.10-18,864.04

Finding the Fourth Proportional to 34,779.72, 47,996.10 and 18,864.04

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Solution

The fourth proportional to 34,779.72, 47,996.10 and 18,864.04 is: 26,032.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.72 : 47,996.10 = 18,864.04 : x
  2. Step 2: Convert to fraction form
    34,779.72/47,996.10 = 18,864.04/x
  3. Step 3: Cross multiply
    34,779.72x = 47,996.10 × 18,864.04
  4. Step 4: Simplify right side
    34,779.72x = 905,400,350.24
  5. Step 5: Solve for x
    x = 905,400,350.24/34,779.72
  6. Step 6: Final answer
    x = 26,032.42

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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.