Home / 37,390.66-51,599.72-20,394.90

Finding the Fourth Proportional to 37,390.66, 51,599.72 and 20,394.90

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Solution

The fourth proportional to 37,390.66, 51,599.72 and 20,394.90 is: 28,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.66 : 51,599.72 = 20,394.90 : x
  2. Step 2: Convert to fraction form
    37,390.66/51,599.72 = 20,394.90/x
  3. Step 3: Cross multiply
    37,390.66x = 51,599.72 × 20,394.90
  4. Step 4: Simplify right side
    37,390.66x = 1,052,371,180.42
  5. Step 5: Solve for x
    x = 1,052,371,180.42/37,390.66
  6. Step 6: Final answer
    x = 28,145.30

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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.