Home / 48,727.20-73,090.80-21,025.20

Finding the Fourth Proportional to 48,727.20, 73,090.80 and 21,025.20

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Solution

The fourth proportional to 48,727.20, 73,090.80 and 21,025.20 is: 31,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727.20 : 73,090.80 = 21,025.20 : x
  2. Step 2: Convert to fraction form
    48,727.20/73,090.80 = 21,025.20/x
  3. Step 3: Cross multiply
    48,727.20x = 73,090.80 × 21,025.20
  4. Step 4: Simplify right side
    48,727.20x = 1,536,748,688.16
  5. Step 5: Solve for x
    x = 1,536,748,688.16/48,727.20
  6. Step 6: Final answer
    x = 31,537.80

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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.