Home / 55,894.07-77,133.05-30,399.89

Finding the Fourth Proportional to 55,894.07, 77,133.05 and 30,399.89

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Solution

The fourth proportional to 55,894.07, 77,133.05 and 30,399.89 is: 41,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,894.07 : 77,133.05 = 30,399.89 : x
  2. Step 2: Convert to fraction form
    55,894.07/77,133.05 = 30,399.89/x
  3. Step 3: Cross multiply
    55,894.07x = 77,133.05 × 30,399.89
  4. Step 4: Simplify right side
    55,894.07x = 2,344,835,697.70
  5. Step 5: Solve for x
    x = 2,344,835,697.70/55,894.07
  6. Step 6: Final answer
    x = 41,951.42

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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.