Home / 51,512.76-77,286.15-21,955.46

Finding the Fourth Proportional to 51,512.76, 77,286.15 and 21,955.46

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Solution

The fourth proportional to 51,512.76, 77,286.15 and 21,955.46 is: 32,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,512.76 : 77,286.15 = 21,955.46 : x
  2. Step 2: Convert to fraction form
    51,512.76/77,286.15 = 21,955.46/x
  3. Step 3: Cross multiply
    51,512.76x = 77,286.15 × 21,955.46
  4. Step 4: Simplify right side
    51,512.76x = 1,696,852,588.45
  5. Step 5: Solve for x
    x = 1,696,852,588.45/51,512.76
  6. Step 6: Final answer
    x = 32,940.43

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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.