Home / 40,858.52-61,293.24-18,678.69

Finding the Fourth Proportional to 40,858.52, 61,293.24 and 18,678.69

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Solution

The fourth proportional to 40,858.52, 61,293.24 and 18,678.69 is: 28,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,858.52 : 61,293.24 = 18,678.69 : x
  2. Step 2: Convert to fraction form
    40,858.52/61,293.24 = 18,678.69/x
  3. Step 3: Cross multiply
    40,858.52x = 61,293.24 × 18,678.69
  4. Step 4: Simplify right side
    40,858.52x = 1,144,877,429.06
  5. Step 5: Solve for x
    x = 1,144,877,429.06/40,858.52
  6. Step 6: Final answer
    x = 28,020.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.