Home / 55,384.26-83,120.12-20,333.94

Finding the Fourth Proportional to 55,384.26, 83,120.12 and 20,333.94

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Solution

The fourth proportional to 55,384.26, 83,120.12 and 20,333.94 is: 30,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,384.26 : 83,120.12 = 20,333.94 : x
  2. Step 2: Convert to fraction form
    55,384.26/83,120.12 = 20,333.94/x
  3. Step 3: Cross multiply
    55,384.26x = 83,120.12 × 20,333.94
  4. Step 4: Simplify right side
    55,384.26x = 1,690,159,310.13
  5. Step 5: Solve for x
    x = 1,690,159,310.13/55,384.26
  6. Step 6: Final answer
    x = 30,516.96

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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.