Home / 34,695.14-47,879.26-18,779.54

Finding the Fourth Proportional to 34,695.14, 47,879.26 and 18,779.54

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Solution

The fourth proportional to 34,695.14, 47,879.26 and 18,779.54 is: 25,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.14 : 47,879.26 = 18,779.54 : x
  2. Step 2: Convert to fraction form
    34,695.14/47,879.26 = 18,779.54/x
  3. Step 3: Cross multiply
    34,695.14x = 47,879.26 × 18,779.54
  4. Step 4: Simplify right side
    34,695.14x = 899,150,478.34
  5. Step 5: Solve for x
    x = 899,150,478.34/34,695.14
  6. Step 6: Final answer
    x = 25,915.75

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1.5x scale

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.