Home / 20,550.57-30,677.18-18,059.46

Finding the Fourth Proportional to 20,550.57, 30,677.18 and 18,059.46

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Solution

The fourth proportional to 20,550.57, 30,677.18 and 18,059.46 is: 26,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.57 : 30,677.18 = 18,059.46 : x
  2. Step 2: Convert to fraction form
    20,550.57/30,677.18 = 18,059.46/x
  3. Step 3: Cross multiply
    20,550.57x = 30,677.18 × 18,059.46
  4. Step 4: Simplify right side
    20,550.57x = 554,013,214.83
  5. Step 5: Solve for x
    x = 554,013,214.83/20,550.57
  6. Step 6: Final answer
    x = 26,958.53

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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.