Home / 53,979.43-80,966.85-18,443.94

Finding the Fourth Proportional to 53,979.43, 80,966.85 and 18,443.94

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Solution

The fourth proportional to 53,979.43, 80,966.85 and 18,443.94 is: 27,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,979.43 : 80,966.85 = 18,443.94 : x
  2. Step 2: Convert to fraction form
    53,979.43/80,966.85 = 18,443.94/x
  3. Step 3: Cross multiply
    53,979.43x = 80,966.85 × 18,443.94
  4. Step 4: Simplify right side
    53,979.43x = 1,493,347,723.39
  5. Step 5: Solve for x
    x = 1,493,347,723.39/53,979.43
  6. Step 6: Final answer
    x = 27,665.13

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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.