Home / 53,370.97-80,046.73-21,772.87

Finding the Fourth Proportional to 53,370.97, 80,046.73 and 21,772.87

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Solution

The fourth proportional to 53,370.97, 80,046.73 and 21,772.87 is: 32,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.97 : 80,046.73 = 21,772.87 : x
  2. Step 2: Convert to fraction form
    53,370.97/80,046.73 = 21,772.87/x
  3. Step 3: Cross multiply
    53,370.97x = 80,046.73 × 21,772.87
  4. Step 4: Simplify right side
    53,370.97x = 1,742,846,873.31
  5. Step 5: Solve for x
    x = 1,742,846,873.31/53,370.97
  6. Step 6: Final answer
    x = 32,655.34

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1.5x scale

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.