Home / 36,123.96-49,740.30-31,622.52

Finding the Fourth Proportional to 36,123.96, 49,740.30 and 31,622.52

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Solution

The fourth proportional to 36,123.96, 49,740.30 and 31,622.52 is: 43,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.96 : 49,740.30 = 31,622.52 : x
  2. Step 2: Convert to fraction form
    36,123.96/49,740.30 = 31,622.52/x
  3. Step 3: Cross multiply
    36,123.96x = 49,740.30 × 31,622.52
  4. Step 4: Simplify right side
    36,123.96x = 1,572,913,631.56
  5. Step 5: Solve for x
    x = 1,572,913,631.56/36,123.96
  6. Step 6: Final answer
    x = 43,542.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.