Home / 51,276.88-76,905.58-21,715.46

Finding the Fourth Proportional to 51,276.88, 76,905.58 and 21,715.46

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Solution

The fourth proportional to 51,276.88, 76,905.58 and 21,715.46 is: 32,569.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276.88 : 76,905.58 = 21,715.46 : x
  2. Step 2: Convert to fraction form
    51,276.88/76,905.58 = 21,715.46/x
  3. Step 3: Cross multiply
    51,276.88x = 76,905.58 × 21,715.46
  4. Step 4: Simplify right side
    51,276.88x = 1,670,040,046.27
  5. Step 5: Solve for x
    x = 1,670,040,046.27/51,276.88
  6. Step 6: Final answer
    x = 32,569.07

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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.