Home / 38,539.72-53,121.18-25,788.34

Finding the Fourth Proportional to 38,539.72, 53,121.18 and 25,788.34

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Solution

The fourth proportional to 38,539.72, 53,121.18 and 25,788.34 is: 35,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.72 : 53,121.18 = 25,788.34 : x
  2. Step 2: Convert to fraction form
    38,539.72/53,121.18 = 25,788.34/x
  3. Step 3: Cross multiply
    38,539.72x = 53,121.18 × 25,788.34
  4. Step 4: Simplify right side
    38,539.72x = 1,369,907,051.04
  5. Step 5: Solve for x
    x = 1,369,907,051.04/38,539.72
  6. Step 6: Final answer
    x = 35,545.33

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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.