Home / 37,516.48-51,770.80-20,517.42

Finding the Fourth Proportional to 37,516.48, 51,770.80 and 20,517.42

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Solution

The fourth proportional to 37,516.48, 51,770.80 and 20,517.42 is: 28,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,516.48 : 51,770.80 = 20,517.42 : x
  2. Step 2: Convert to fraction form
    37,516.48/51,770.80 = 20,517.42/x
  3. Step 3: Cross multiply
    37,516.48x = 51,770.80 × 20,517.42
  4. Step 4: Simplify right side
    37,516.48x = 1,062,203,247.34
  5. Step 5: Solve for x
    x = 1,062,203,247.34/37,516.48
  6. Step 6: Final answer
    x = 28,312.98

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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.