Home / 48,688.21-73,039.86-20,608.51

Finding the Fourth Proportional to 48,688.21, 73,039.86 and 20,608.51

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Solution

The fourth proportional to 48,688.21, 73,039.86 and 20,608.51 is: 30,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,688.21 : 73,039.86 = 20,608.51 : x
  2. Step 2: Convert to fraction form
    48,688.21/73,039.86 = 20,608.51/x
  3. Step 3: Cross multiply
    48,688.21x = 73,039.86 × 20,608.51
  4. Step 4: Simplify right side
    48,688.21x = 1,505,242,685.21
  5. Step 5: Solve for x
    x = 1,505,242,685.21/48,688.21
  6. Step 6: Final answer
    x = 30,915.96

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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.