Home / 20,051.09-30,072.02-7,572.41

Finding the Fourth Proportional to 20,051.09, 30,072.02 and 7,572.41

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Solution

The fourth proportional to 20,051.09, 30,072.02 and 7,572.41 is: 11,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.09 : 30,072.02 = 7,572.41 : x
  2. Step 2: Convert to fraction form
    20,051.09/30,072.02 = 7,572.41/x
  3. Step 3: Cross multiply
    20,051.09x = 30,072.02 × 7,572.41
  4. Step 4: Simplify right side
    20,051.09x = 227,717,476.75
  5. Step 5: Solve for x
    x = 227,717,476.75/20,051.09
  6. Step 6: Final answer
    x = 11,356.87

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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.