Home / 54,764.16-75,574.80-30,891.84

Finding the Fourth Proportional to 54,764.16, 75,574.80 and 30,891.84

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Solution

The fourth proportional to 54,764.16, 75,574.80 and 30,891.84 is: 42,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.16 : 75,574.80 = 30,891.84 : x
  2. Step 2: Convert to fraction form
    54,764.16/75,574.80 = 30,891.84/x
  3. Step 3: Cross multiply
    54,764.16x = 75,574.80 × 30,891.84
  4. Step 4: Simplify right side
    54,764.16x = 2,334,644,629.63
  5. Step 5: Solve for x
    x = 2,334,644,629.63/54,764.16
  6. Step 6: Final answer
    x = 42,630.89

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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.