Home / 48,645.28-72,996.05-20,563.51

Finding the Fourth Proportional to 48,645.28, 72,996.05 and 20,563.51

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Solution

The fourth proportional to 48,645.28, 72,996.05 and 20,563.51 is: 30,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,645.28 : 72,996.05 = 20,563.51 : x
  2. Step 2: Convert to fraction form
    48,645.28/72,996.05 = 20,563.51/x
  3. Step 3: Cross multiply
    48,645.28x = 72,996.05 × 20,563.51
  4. Step 4: Simplify right side
    48,645.28x = 1,501,055,004.14
  5. Step 5: Solve for x
    x = 1,501,055,004.14/48,645.28
  6. Step 6: Final answer
    x = 30,857.16

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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.