Home / 43,235.52-64,831.68-19,842

Finding the Fourth Proportional to 43,235.52, 64,831.68 and 19,842

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Solution

The fourth proportional to 43,235.52, 64,831.68 and 19,842 is: 29,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.52 : 64,831.68 = 19,842 : x
  2. Step 2: Convert to fraction form
    43,235.52/64,831.68 = 19,842/x
  3. Step 3: Cross multiply
    43,235.52x = 64,831.68 × 19,842
  4. Step 4: Simplify right side
    43,235.52x = 1,286,390,194.56
  5. Step 5: Solve for x
    x = 1,286,390,194.56/43,235.52
  6. Step 6: Final answer
    x = 29,753.09

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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.