Home / 20,551.07-30,677.92-18,059.96

Finding the Fourth Proportional to 20,551.07, 30,677.92 and 18,059.96

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Solution

The fourth proportional to 20,551.07, 30,677.92 and 18,059.96 is: 26,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.07 : 30,677.92 = 18,059.96 : x
  2. Step 2: Convert to fraction form
    20,551.07/30,677.92 = 18,059.96/x
  3. Step 3: Cross multiply
    20,551.07x = 30,677.92 × 18,059.96
  4. Step 4: Simplify right side
    20,551.07x = 554,042,008.08
  5. Step 5: Solve for x
    x = 554,042,008.08/20,551.07
  6. Step 6: Final answer
    x = 26,959.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.