Home / 49,529.72-74,316.54-20,005.22

Finding the Fourth Proportional to 49,529.72, 74,316.54 and 20,005.22

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Solution

The fourth proportional to 49,529.72, 74,316.54 and 20,005.22 is: 30,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,529.72 : 74,316.54 = 20,005.22 : x
  2. Step 2: Convert to fraction form
    49,529.72/74,316.54 = 20,005.22/x
  3. Step 3: Cross multiply
    49,529.72x = 74,316.54 × 20,005.22
  4. Step 4: Simplify right side
    49,529.72x = 1,486,718,732.34
  5. Step 5: Solve for x
    x = 1,486,718,732.34/49,529.72
  6. Step 6: Final answer
    x = 30,016.70

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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.