Home / 20,336.69-30,505.04-5,545.28

Finding the Fourth Proportional to 20,336.69, 30,505.04 and 5,545.28

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Solution

The fourth proportional to 20,336.69, 30,505.04 and 5,545.28 is: 8,317.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.69 : 30,505.04 = 5,545.28 : x
  2. Step 2: Convert to fraction form
    20,336.69/30,505.04 = 5,545.28/x
  3. Step 3: Cross multiply
    20,336.69x = 30,505.04 × 5,545.28
  4. Step 4: Simplify right side
    20,336.69x = 169,158,807.96
  5. Step 5: Solve for x
    x = 169,158,807.96/20,336.69
  6. Step 6: Final answer
    x = 8,317.91

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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.