Home / 20,029.01-30,038.85-7,550.28

Finding the Fourth Proportional to 20,029.01, 30,038.85 and 7,550.28

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Solution

The fourth proportional to 20,029.01, 30,038.85 and 7,550.28 is: 11,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.01 : 30,038.85 = 7,550.28 : x
  2. Step 2: Convert to fraction form
    20,029.01/30,038.85 = 7,550.28/x
  3. Step 3: Cross multiply
    20,029.01x = 30,038.85 × 7,550.28
  4. Step 4: Simplify right side
    20,029.01x = 226,801,728.38
  5. Step 5: Solve for x
    x = 226,801,728.38/20,029.01
  6. Step 6: Final answer
    x = 11,323.66

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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.