Home / 54,858.13-75,703.14-30,659.31

Finding the Fourth Proportional to 54,858.13, 75,703.14 and 30,659.31

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Solution

The fourth proportional to 54,858.13, 75,703.14 and 30,659.31 is: 42,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.13 : 75,703.14 = 30,659.31 : x
  2. Step 2: Convert to fraction form
    54,858.13/75,703.14 = 30,659.31/x
  3. Step 3: Cross multiply
    54,858.13x = 75,703.14 × 30,659.31
  4. Step 4: Simplify right side
    54,858.13x = 2,321,006,037.23
  5. Step 5: Solve for x
    x = 2,321,006,037.23/54,858.13
  6. Step 6: Final answer
    x = 42,309.25

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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.