Home / 48,753.81-73,153.35-20,680.47

Finding the Fourth Proportional to 48,753.81, 73,153.35 and 20,680.47

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Solution

The fourth proportional to 48,753.81, 73,153.35 and 20,680.47 is: 31,030.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,753.81 : 73,153.35 = 20,680.47 : x
  2. Step 2: Convert to fraction form
    48,753.81/73,153.35 = 20,680.47/x
  3. Step 3: Cross multiply
    48,753.81x = 73,153.35 × 20,680.47
  4. Step 4: Simplify right side
    48,753.81x = 1,512,845,660.07
  5. Step 5: Solve for x
    x = 1,512,845,660.07/48,753.81
  6. Step 6: Final answer
    x = 31,030.31

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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.