Home / 37,618.55-56,431.30-13,608.86

Finding the Fourth Proportional to 37,618.55, 56,431.30 and 13,608.86

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Solution

The fourth proportional to 37,618.55, 56,431.30 and 13,608.86 is: 20,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,618.55 : 56,431.30 = 13,608.86 : x
  2. Step 2: Convert to fraction form
    37,618.55/56,431.30 = 13,608.86/x
  3. Step 3: Cross multiply
    37,618.55x = 56,431.30 × 13,608.86
  4. Step 4: Simplify right side
    37,618.55x = 767,965,688.08
  5. Step 5: Solve for x
    x = 767,965,688.08/37,618.55
  6. Step 6: Final answer
    x = 20,414.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.