Home / 55,557.43-76,669.45-30,063.79

Finding the Fourth Proportional to 55,557.43, 76,669.45 and 30,063.79

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Solution

The fourth proportional to 55,557.43, 76,669.45 and 30,063.79 is: 41,488.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,557.43 : 76,669.45 = 30,063.79 : x
  2. Step 2: Convert to fraction form
    55,557.43/76,669.45 = 30,063.79/x
  3. Step 3: Cross multiply
    55,557.43x = 76,669.45 × 30,063.79
  4. Step 4: Simplify right side
    55,557.43x = 2,304,973,710.55
  5. Step 5: Solve for x
    x = 2,304,973,710.55/55,557.43
  6. Step 6: Final answer
    x = 41,488.13

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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.