Home / 48,945.13-73,417.69-21,243.13

Finding the Fourth Proportional to 48,945.13, 73,417.69 and 21,243.13

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Solution

The fourth proportional to 48,945.13, 73,417.69 and 21,243.13 is: 31,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.13 : 73,417.69 = 21,243.13 : x
  2. Step 2: Convert to fraction form
    48,945.13/73,417.69 = 21,243.13/x
  3. Step 3: Cross multiply
    48,945.13x = 73,417.69 × 21,243.13
  4. Step 4: Simplify right side
    48,945.13x = 1,559,621,532.97
  5. Step 5: Solve for x
    x = 1,559,621,532.97/48,945.13
  6. Step 6: Final answer
    x = 31,864.69

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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.