Home / 20,350.49-30,545.44-9,827.90

Finding the Fourth Proportional to 20,350.49, 30,545.44 and 9,827.90

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Solution

The fourth proportional to 20,350.49, 30,545.44 and 9,827.90 is: 14,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.49 : 30,545.44 = 9,827.90 : x
  2. Step 2: Convert to fraction form
    20,350.49/30,545.44 = 9,827.90/x
  3. Step 3: Cross multiply
    20,350.49x = 30,545.44 × 9,827.90
  4. Step 4: Simplify right side
    20,350.49x = 300,197,467.02
  5. Step 5: Solve for x
    x = 300,197,467.02/20,350.49
  6. Step 6: Final answer
    x = 14,751.36

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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.