Home / 37,269.40-55,904.56-20,661.87

Finding the Fourth Proportional to 37,269.40, 55,904.56 and 20,661.87

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Solution

The fourth proportional to 37,269.40, 55,904.56 and 20,661.87 is: 30,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,269.40 : 55,904.56 = 20,661.87 : x
  2. Step 2: Convert to fraction form
    37,269.40/55,904.56 = 20,661.87/x
  3. Step 3: Cross multiply
    37,269.40x = 55,904.56 × 20,661.87
  4. Step 4: Simplify right side
    37,269.40x = 1,155,092,699.47
  5. Step 5: Solve for x
    x = 1,155,092,699.47/37,269.40
  6. Step 6: Final answer
    x = 30,993.06

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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.