Home / 20,030.62-30,050.16-7,550.38

Finding the Fourth Proportional to 20,030.62, 30,050.16 and 7,550.38

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Solution

The fourth proportional to 20,030.62, 30,050.16 and 7,550.38 is: 11,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,030.62 : 30,050.16 = 7,550.38 : x
  2. Step 2: Convert to fraction form
    20,030.62/30,050.16 = 7,550.38/x
  3. Step 3: Cross multiply
    20,030.62x = 30,050.16 × 7,550.38
  4. Step 4: Simplify right side
    20,030.62x = 226,890,127.06
  5. Step 5: Solve for x
    x = 226,890,127.06/20,030.62
  6. Step 6: Final answer
    x = 11,327.16

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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.