Home / 34,695.38-47,879.59-18,779.80

Finding the Fourth Proportional to 34,695.38, 47,879.59 and 18,779.80

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Solution

The fourth proportional to 34,695.38, 47,879.59 and 18,779.80 is: 25,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.38 : 47,879.59 = 18,779.80 : x
  2. Step 2: Convert to fraction form
    34,695.38/47,879.59 = 18,779.80/x
  3. Step 3: Cross multiply
    34,695.38x = 47,879.59 × 18,779.80
  4. Step 4: Simplify right side
    34,695.38x = 899,169,124.28
  5. Step 5: Solve for x
    x = 899,169,124.28/34,695.38
  6. Step 6: Final answer
    x = 25,916.11

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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.