Home / 55,913.58-77,160.93-30,419.94

Finding the Fourth Proportional to 55,913.58, 77,160.93 and 30,419.94

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Solution

The fourth proportional to 55,913.58, 77,160.93 and 30,419.94 is: 41,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,913.58 : 77,160.93 = 30,419.94 : x
  2. Step 2: Convert to fraction form
    55,913.58/77,160.93 = 30,419.94/x
  3. Step 3: Cross multiply
    55,913.58x = 77,160.93 × 30,419.94
  4. Step 4: Simplify right side
    55,913.58x = 2,347,230,860.94
  5. Step 5: Solve for x
    x = 2,347,230,860.94/55,913.58
  6. Step 6: Final answer
    x = 41,979.62

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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.