Home / 54,686.36-81,972.66-39,657.08

Finding the Fourth Proportional to 54,686.36, 81,972.66 and 39,657.08

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Solution

The fourth proportional to 54,686.36, 81,972.66 and 39,657.08 is: 59,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,686.36 : 81,972.66 = 39,657.08 : x
  2. Step 2: Convert to fraction form
    54,686.36/81,972.66 = 39,657.08/x
  3. Step 3: Cross multiply
    54,686.36x = 81,972.66 × 39,657.08
  4. Step 4: Simplify right side
    54,686.36x = 3,250,796,335.43
  5. Step 5: Solve for x
    x = 3,250,796,335.43/54,686.36
  6. Step 6: Final answer
    x = 59,444.37

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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.