Home / 37,519.10-51,774.18-20,520.17

Finding the Fourth Proportional to 37,519.10, 51,774.18 and 20,520.17

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Solution

The fourth proportional to 37,519.10, 51,774.18 and 20,520.17 is: 28,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,519.10 : 51,774.18 = 20,520.17 : x
  2. Step 2: Convert to fraction form
    37,519.10/51,774.18 = 20,520.17/x
  3. Step 3: Cross multiply
    37,519.10x = 51,774.18 × 20,520.17
  4. Step 4: Simplify right side
    37,519.10x = 1,062,414,975.21
  5. Step 5: Solve for x
    x = 1,062,414,975.21/37,519.10
  6. Step 6: Final answer
    x = 28,316.64

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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.