Home / 51,121.28-76,697.58-26,178.84

Finding the Fourth Proportional to 51,121.28, 76,697.58 and 26,178.84

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Solution

The fourth proportional to 51,121.28, 76,697.58 and 26,178.84 is: 39,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,121.28 : 76,697.58 = 26,178.84 : x
  2. Step 2: Convert to fraction form
    51,121.28/76,697.58 = 26,178.84/x
  3. Step 3: Cross multiply
    51,121.28x = 76,697.58 × 26,178.84
  4. Step 4: Simplify right side
    51,121.28x = 2,007,853,675.21
  5. Step 5: Solve for x
    x = 2,007,853,675.21/51,121.28
  6. Step 6: Final answer
    x = 39,276.28

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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.