Home / 37,138.88-55,657.76-20,473.92

Finding the Fourth Proportional to 37,138.88, 55,657.76 and 20,473.92

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Solution

The fourth proportional to 37,138.88, 55,657.76 and 20,473.92 is: 30,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.88 : 55,657.76 = 20,473.92 : x
  2. Step 2: Convert to fraction form
    37,138.88/55,657.76 = 20,473.92/x
  3. Step 3: Cross multiply
    37,138.88x = 55,657.76 × 20,473.92
  4. Step 4: Simplify right side
    37,138.88x = 1,139,532,525.62
  5. Step 5: Solve for x
    x = 1,139,532,525.62/37,138.88
  6. Step 6: Final answer
    x = 30,683.01

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1.5x scale

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.