Home / 43,235.78-64,831.79-13,241.07

Finding the Fourth Proportional to 43,235.78, 64,831.79 and 13,241.07

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Solution

The fourth proportional to 43,235.78, 64,831.79 and 13,241.07 is: 19,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.78 : 64,831.79 = 13,241.07 : x
  2. Step 2: Convert to fraction form
    43,235.78/64,831.79 = 13,241.07/x
  3. Step 3: Cross multiply
    43,235.78x = 64,831.79 × 13,241.07
  4. Step 4: Simplify right side
    43,235.78x = 858,442,302.72
  5. Step 5: Solve for x
    x = 858,442,302.72/43,235.78
  6. Step 6: Final answer
    x = 19,854.91

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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.