Home / 45,948.52-68,873.64-30,147.58

Finding the Fourth Proportional to 45,948.52, 68,873.64 and 30,147.58

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Solution

The fourth proportional to 45,948.52, 68,873.64 and 30,147.58 is: 45,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,948.52 : 68,873.64 = 30,147.58 : x
  2. Step 2: Convert to fraction form
    45,948.52/68,873.64 = 30,147.58/x
  3. Step 3: Cross multiply
    45,948.52x = 68,873.64 × 30,147.58
  4. Step 4: Simplify right side
    45,948.52x = 2,076,373,571.79
  5. Step 5: Solve for x
    x = 2,076,373,571.79/45,948.52
  6. Step 6: Final answer
    x = 45,189.13

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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.