Home / 53,340.45-79,983.81-17,789.16

Finding the Fourth Proportional to 53,340.45, 79,983.81 and 17,789.16

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Solution

The fourth proportional to 53,340.45, 79,983.81 and 17,789.16 is: 26,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,340.45 : 79,983.81 = 17,789.16 : x
  2. Step 2: Convert to fraction form
    53,340.45/79,983.81 = 17,789.16/x
  3. Step 3: Cross multiply
    53,340.45x = 79,983.81 × 17,789.16
  4. Step 4: Simplify right side
    53,340.45x = 1,422,844,793.50
  5. Step 5: Solve for x
    x = 1,422,844,793.50/53,340.45
  6. Step 6: Final answer
    x = 26,674.78

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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.