Home / 20,369.61-30,550.37-5,574.69

Finding the Fourth Proportional to 20,369.61, 30,550.37 and 5,574.69

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Solution

The fourth proportional to 20,369.61, 30,550.37 and 5,574.69 is: 8,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369.61 : 30,550.37 = 5,574.69 : x
  2. Step 2: Convert to fraction form
    20,369.61/30,550.37 = 5,574.69/x
  3. Step 3: Cross multiply
    20,369.61x = 30,550.37 × 5,574.69
  4. Step 4: Simplify right side
    20,369.61x = 170,308,814.26
  5. Step 5: Solve for x
    x = 170,308,814.26/20,369.61
  6. Step 6: Final answer
    x = 8,360.93

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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.