Home / 30,221.23-45,331.79-8,034.62

Finding the Fourth Proportional to 30,221.23, 45,331.79 and 8,034.62

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Solution

The fourth proportional to 30,221.23, 45,331.79 and 8,034.62 is: 12,051.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,221.23 : 45,331.79 = 8,034.62 : x
  2. Step 2: Convert to fraction form
    30,221.23/45,331.79 = 8,034.62/x
  3. Step 3: Cross multiply
    30,221.23x = 45,331.79 × 8,034.62
  4. Step 4: Simplify right side
    30,221.23x = 364,223,500.00
  5. Step 5: Solve for x
    x = 364,223,500.00/30,221.23
  6. Step 6: Final answer
    x = 12,051.91

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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.