Home / 30,220.86-45,331.23-8,034.23

Finding the Fourth Proportional to 30,220.86, 45,331.23 and 8,034.23

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Solution

The fourth proportional to 30,220.86, 45,331.23 and 8,034.23 is: 12,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.86 : 45,331.23 = 8,034.23 : x
  2. Step 2: Convert to fraction form
    30,220.86/45,331.23 = 8,034.23/x
  3. Step 3: Cross multiply
    30,220.86x = 45,331.23 × 8,034.23
  4. Step 4: Simplify right side
    30,220.86x = 364,201,671.46
  5. Step 5: Solve for x
    x = 364,201,671.46/30,220.86
  6. Step 6: Final answer
    x = 12,051.33

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Similar ratio
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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.