Home / 74,337.47-111,458.82-31,619.96

Finding the Fourth Proportional to 74,337.47, 111,458.82 and 31,619.96

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Solution

The fourth proportional to 74,337.47, 111,458.82 and 31,619.96 is: 47,409.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,337.47 : 111,458.82 = 31,619.96 : x
  2. Step 2: Convert to fraction form
    74,337.47/111,458.82 = 31,619.96/x
  3. Step 3: Cross multiply
    74,337.47x = 111,458.82 × 31,619.96
  4. Step 4: Simplify right side
    74,337.47x = 3,524,323,430.05
  5. Step 5: Solve for x
    x = 3,524,323,430.05/74,337.47
  6. Step 6: Final answer
    x = 47,409.78

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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.