Home / 34,695.20-47,879.24-18,779.92

Finding the Fourth Proportional to 34,695.20, 47,879.24 and 18,779.92

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Solution

The fourth proportional to 34,695.20, 47,879.24 and 18,779.92 is: 25,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.20 : 47,879.24 = 18,779.92 : x
  2. Step 2: Convert to fraction form
    34,695.20/47,879.24 = 18,779.92/x
  3. Step 3: Cross multiply
    34,695.20x = 47,879.24 × 18,779.92
  4. Step 4: Simplify right side
    34,695.20x = 899,168,296.86
  5. Step 5: Solve for x
    x = 899,168,296.86/34,695.20
  6. Step 6: Final answer
    x = 25,916.22

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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.