Home / 76,976.28-115,374.78-32,588.28

Finding the Fourth Proportional to 76,976.28, 115,374.78 and 32,588.28

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Solution

The fourth proportional to 76,976.28, 115,374.78 and 32,588.28 is: 48,844.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,976.28 : 115,374.78 = 32,588.28 : x
  2. Step 2: Convert to fraction form
    76,976.28/115,374.78 = 32,588.28/x
  3. Step 3: Cross multiply
    76,976.28x = 115,374.78 × 32,588.28
  4. Step 4: Simplify right side
    76,976.28x = 3,759,865,635.58
  5. Step 5: Solve for x
    x = 3,759,865,635.58/76,976.28
  6. Step 6: Final answer
    x = 48,844.47

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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.