Home / 35,913-53,824.50-19,231.68

Finding the Fourth Proportional to 35,913, 53,824.50 and 19,231.68

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Solution

The fourth proportional to 35,913, 53,824.50 and 19,231.68 is: 28,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913 : 53,824.50 = 19,231.68 : x
  2. Step 2: Convert to fraction form
    35,913/53,824.50 = 19,231.68/x
  3. Step 3: Cross multiply
    35,913x = 53,824.50 × 19,231.68
  4. Step 4: Simplify right side
    35,913x = 1,035,135,560.16
  5. Step 5: Solve for x
    x = 1,035,135,560.16/35,913
  6. Step 6: Final answer
    x = 28,823.42

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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.