Home / 46,489.07-69,721.16-20,187.56

Finding the Fourth Proportional to 46,489.07, 69,721.16 and 20,187.56

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Solution

The fourth proportional to 46,489.07, 69,721.16 and 20,187.56 is: 30,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,489.07 : 69,721.16 = 20,187.56 : x
  2. Step 2: Convert to fraction form
    46,489.07/69,721.16 = 20,187.56/x
  3. Step 3: Cross multiply
    46,489.07x = 69,721.16 × 20,187.56
  4. Step 4: Simplify right side
    46,489.07x = 1,407,500,174.13
  5. Step 5: Solve for x
    x = 1,407,500,174.13/46,489.07
  6. Step 6: Final answer
    x = 30,275.94

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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.