Home / 47,991.02-72,007.32-25,778.48

Finding the Fourth Proportional to 47,991.02, 72,007.32 and 25,778.48

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Solution

The fourth proportional to 47,991.02, 72,007.32 and 25,778.48 is: 38,678.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,991.02 : 72,007.32 = 25,778.48 : x
  2. Step 2: Convert to fraction form
    47,991.02/72,007.32 = 25,778.48/x
  3. Step 3: Cross multiply
    47,991.02x = 72,007.32 × 25,778.48
  4. Step 4: Simplify right side
    47,991.02x = 1,856,239,258.47
  5. Step 5: Solve for x
    x = 1,856,239,258.47/47,991.02
  6. Step 6: Final answer
    x = 38,678.89

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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.