Home / 45,121.28-67,986.50-37,395.56

Finding the Fourth Proportional to 45,121.28, 67,986.50 and 37,395.56

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Solution

The fourth proportional to 45,121.28, 67,986.50 and 37,395.56 is: 56,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.28 : 67,986.50 = 37,395.56 : x
  2. Step 2: Convert to fraction form
    45,121.28/67,986.50 = 37,395.56/x
  3. Step 3: Cross multiply
    45,121.28x = 67,986.50 × 37,395.56
  4. Step 4: Simplify right side
    45,121.28x = 2,542,393,239.94
  5. Step 5: Solve for x
    x = 2,542,393,239.94/45,121.28
  6. Step 6: Final answer
    x = 56,345.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.