Home / 38,879.90-53,658.15-23,779.34

Finding the Fourth Proportional to 38,879.90, 53,658.15 and 23,779.34

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Solution

The fourth proportional to 38,879.90, 53,658.15 and 23,779.34 is: 32,817.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.90 : 53,658.15 = 23,779.34 : x
  2. Step 2: Convert to fraction form
    38,879.90/53,658.15 = 23,779.34/x
  3. Step 3: Cross multiply
    38,879.90x = 53,658.15 × 23,779.34
  4. Step 4: Simplify right side
    38,879.90x = 1,275,955,392.62
  5. Step 5: Solve for x
    x = 1,275,955,392.62/38,879.90
  6. Step 6: Final answer
    x = 32,817.87

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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.