Home / 43,291.79-64,944.36-18,332

Finding the Fourth Proportional to 43,291.79, 64,944.36 and 18,332

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Solution

The fourth proportional to 43,291.79, 64,944.36 and 18,332 is: 27,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,291.79 : 64,944.36 = 18,332 : x
  2. Step 2: Convert to fraction form
    43,291.79/64,944.36 = 18,332/x
  3. Step 3: Cross multiply
    43,291.79x = 64,944.36 × 18,332
  4. Step 4: Simplify right side
    43,291.79x = 1,190,560,007.52
  5. Step 5: Solve for x
    x = 1,190,560,007.52/43,291.79
  6. Step 6: Final answer
    x = 27,500.83

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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.