Home / 20,379.94-30,567.85-5,590.34

Finding the Fourth Proportional to 20,379.94, 30,567.85 and 5,590.34

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Solution

The fourth proportional to 20,379.94, 30,567.85 and 5,590.34 is: 8,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,379.94 : 30,567.85 = 5,590.34 : x
  2. Step 2: Convert to fraction form
    20,379.94/30,567.85 = 5,590.34/x
  3. Step 3: Cross multiply
    20,379.94x = 30,567.85 × 5,590.34
  4. Step 4: Simplify right side
    20,379.94x = 170,884,674.57
  5. Step 5: Solve for x
    x = 170,884,674.57/20,379.94
  6. Step 6: Final answer
    x = 8,384.94

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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.