Home / 47,772.60-71,660.52-21,477.44

Finding the Fourth Proportional to 47,772.60, 71,660.52 and 21,477.44

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Solution

The fourth proportional to 47,772.60, 71,660.52 and 21,477.44 is: 32,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.60 : 71,660.52 = 21,477.44 : x
  2. Step 2: Convert to fraction form
    47,772.60/71,660.52 = 21,477.44/x
  3. Step 3: Cross multiply
    47,772.60x = 71,660.52 × 21,477.44
  4. Step 4: Simplify right side
    47,772.60x = 1,539,084,518.67
  5. Step 5: Solve for x
    x = 1,539,084,518.67/47,772.60
  6. Step 6: Final answer
    x = 32,216.89

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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.