Home / 40,783.26-61,178.54-15,822.71

Finding the Fourth Proportional to 40,783.26, 61,178.54 and 15,822.71

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Solution

The fourth proportional to 40,783.26, 61,178.54 and 15,822.71 is: 23,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,783.26 : 61,178.54 = 15,822.71 : x
  2. Step 2: Convert to fraction form
    40,783.26/61,178.54 = 15,822.71/x
  3. Step 3: Cross multiply
    40,783.26x = 61,178.54 × 15,822.71
  4. Step 4: Simplify right side
    40,783.26x = 968,010,296.64
  5. Step 5: Solve for x
    x = 968,010,296.64/40,783.26
  6. Step 6: Final answer
    x = 23,735.48

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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.