Home / 51,505.32-77,251.90-13,558.44

Finding the Fourth Proportional to 51,505.32, 77,251.90 and 13,558.44

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Solution

The fourth proportional to 51,505.32, 77,251.90 and 13,558.44 is: 20,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,505.32 : 77,251.90 = 13,558.44 : x
  2. Step 2: Convert to fraction form
    51,505.32/77,251.90 = 13,558.44/x
  3. Step 3: Cross multiply
    51,505.32x = 77,251.90 × 13,558.44
  4. Step 4: Simplify right side
    51,505.32x = 1,047,414,830.88
  5. Step 5: Solve for x
    x = 1,047,414,830.88/51,505.32
  6. Step 6: Final answer
    x = 20,336.05

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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.