Home / 48,968.70-73,465.20-13,908.30

Finding the Fourth Proportional to 48,968.70, 73,465.20 and 13,908.30

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Solution

The fourth proportional to 48,968.70, 73,465.20 and 13,908.30 is: 20,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,968.70 : 73,465.20 = 13,908.30 : x
  2. Step 2: Convert to fraction form
    48,968.70/73,465.20 = 13,908.30/x
  3. Step 3: Cross multiply
    48,968.70x = 73,465.20 × 13,908.30
  4. Step 4: Simplify right side
    48,968.70x = 1,021,776,041.16
  5. Step 5: Solve for x
    x = 1,021,776,041.16/48,968.70
  6. Step 6: Final answer
    x = 20,865.90

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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.