Home / 51,311.20-76,837.20-33,685.60

Finding the Fourth Proportional to 51,311.20, 76,837.20 and 33,685.60

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Solution

The fourth proportional to 51,311.20, 76,837.20 and 33,685.60 is: 50,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.20 : 76,837.20 = 33,685.60 : x
  2. Step 2: Convert to fraction form
    51,311.20/76,837.20 = 33,685.60/x
  3. Step 3: Cross multiply
    51,311.20x = 76,837.20 × 33,685.60
  4. Step 4: Simplify right side
    51,311.20x = 2,588,307,184.32
  5. Step 5: Solve for x
    x = 2,588,307,184.32/51,311.20
  6. Step 6: Final answer
    x = 50,443.32

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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.