Home / 55,836.30-77,054.40-30,342.87

Finding the Fourth Proportional to 55,836.30, 77,054.40 and 30,342.87

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Solution

The fourth proportional to 55,836.30, 77,054.40 and 30,342.87 is: 41,873.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836.30 : 77,054.40 = 30,342.87 : x
  2. Step 2: Convert to fraction form
    55,836.30/77,054.40 = 30,342.87/x
  3. Step 3: Cross multiply
    55,836.30x = 77,054.40 × 30,342.87
  4. Step 4: Simplify right side
    55,836.30x = 2,338,051,642.13
  5. Step 5: Solve for x
    x = 2,338,051,642.13/55,836.30
  6. Step 6: Final answer
    x = 41,873.33

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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.