Home / 48,061.37-66,287.82-28,921.19

Finding the Fourth Proportional to 48,061.37, 66,287.82 and 28,921.19

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Solution

The fourth proportional to 48,061.37, 66,287.82 and 28,921.19 is: 39,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,061.37 : 66,287.82 = 28,921.19 : x
  2. Step 2: Convert to fraction form
    48,061.37/66,287.82 = 28,921.19/x
  3. Step 3: Cross multiply
    48,061.37x = 66,287.82 × 28,921.19
  4. Step 4: Simplify right side
    48,061.37x = 1,917,122,636.91
  5. Step 5: Solve for x
    x = 1,917,122,636.91/48,061.37
  6. Step 6: Final answer
    x = 39,889.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.