Home / 38,518.47-57,752.78-25,330.86

Finding the Fourth Proportional to 38,518.47, 57,752.78 and 25,330.86

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Solution

The fourth proportional to 38,518.47, 57,752.78 and 25,330.86 is: 37,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,518.47 : 57,752.78 = 25,330.86 : x
  2. Step 2: Convert to fraction form
    38,518.47/57,752.78 = 25,330.86/x
  3. Step 3: Cross multiply
    38,518.47x = 57,752.78 × 25,330.86
  4. Step 4: Simplify right side
    38,518.47x = 1,462,927,458.14
  5. Step 5: Solve for x
    x = 1,462,927,458.14/38,518.47
  6. Step 6: Final answer
    x = 37,979.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.