Home / 37,631.88-51,931.98-20,404.26

Finding the Fourth Proportional to 37,631.88, 51,931.98 and 20,404.26

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Solution

The fourth proportional to 37,631.88, 51,931.98 and 20,404.26 is: 28,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,631.88 : 51,931.98 = 20,404.26 : x
  2. Step 2: Convert to fraction form
    37,631.88/51,931.98 = 20,404.26/x
  3. Step 3: Cross multiply
    37,631.88x = 51,931.98 × 20,404.26
  4. Step 4: Simplify right side
    37,631.88x = 1,059,633,622.23
  5. Step 5: Solve for x
    x = 1,059,633,622.23/37,631.88
  6. Step 6: Final answer
    x = 28,157.87

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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.