Home / 37,414.19-51,631.88-20,418.57

Finding the Fourth Proportional to 37,414.19, 51,631.88 and 20,418.57

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Solution

The fourth proportional to 37,414.19, 51,631.88 and 20,418.57 is: 28,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,414.19 : 51,631.88 = 20,418.57 : x
  2. Step 2: Convert to fraction form
    37,414.19/51,631.88 = 20,418.57/x
  3. Step 3: Cross multiply
    37,414.19x = 51,631.88 × 20,418.57
  4. Step 4: Simplify right side
    37,414.19x = 1,054,249,156.01
  5. Step 5: Solve for x
    x = 1,054,249,156.01/37,414.19
  6. Step 6: Final answer
    x = 28,177.79

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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.