Home / 37,516.50-51,772.74-20,520.42

Finding the Fourth Proportional to 37,516.50, 51,772.74 and 20,520.42

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Solution

The fourth proportional to 37,516.50, 51,772.74 and 20,520.42 is: 28,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,516.50 : 51,772.74 = 20,520.42 : x
  2. Step 2: Convert to fraction form
    37,516.50/51,772.74 = 20,520.42/x
  3. Step 3: Cross multiply
    37,516.50x = 51,772.74 × 20,520.42
  4. Step 4: Simplify right side
    37,516.50x = 1,062,398,369.35
  5. Step 5: Solve for x
    x = 1,062,398,369.35/37,516.50
  6. Step 6: Final answer
    x = 28,318.16

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1.5x scale

Why These Related Problems?

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