Home / 45,947.52-68,872.14-30,146.58

Finding the Fourth Proportional to 45,947.52, 68,872.14 and 30,146.58

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Solution

The fourth proportional to 45,947.52, 68,872.14 and 30,146.58 is: 45,187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,947.52 : 68,872.14 = 30,146.58 : x
  2. Step 2: Convert to fraction form
    45,947.52/68,872.14 = 30,146.58/x
  3. Step 3: Cross multiply
    45,947.52x = 68,872.14 × 30,146.58
  4. Step 4: Simplify right side
    45,947.52x = 2,076,259,478.28
  5. Step 5: Solve for x
    x = 2,076,259,478.28/45,947.52
  6. Step 6: Final answer
    x = 45,187.63

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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.