Home / 54,988.32-82,426.14-21,694.92

Finding the Fourth Proportional to 54,988.32, 82,426.14 and 21,694.92

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Solution

The fourth proportional to 54,988.32, 82,426.14 and 21,694.92 is: 32,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.32 : 82,426.14 = 21,694.92 : x
  2. Step 2: Convert to fraction form
    54,988.32/82,426.14 = 21,694.92/x
  3. Step 3: Cross multiply
    54,988.32x = 82,426.14 × 21,694.92
  4. Step 4: Simplify right side
    54,988.32x = 1,788,228,513.21
  5. Step 5: Solve for x
    x = 1,788,228,513.21/54,988.32
  6. Step 6: Final answer
    x = 32,520.15

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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.