Home / 53,996.42-81,011.75-22,421.61

Finding the Fourth Proportional to 53,996.42, 81,011.75 and 22,421.61

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Solution

The fourth proportional to 53,996.42, 81,011.75 and 22,421.61 is: 33,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,996.42 : 81,011.75 = 22,421.61 : x
  2. Step 2: Convert to fraction form
    53,996.42/81,011.75 = 22,421.61/x
  3. Step 3: Cross multiply
    53,996.42x = 81,011.75 × 22,421.61
  4. Step 4: Simplify right side
    53,996.42x = 1,816,413,751.81
  5. Step 5: Solve for x
    x = 1,816,413,751.81/53,996.42
  6. Step 6: Final answer
    x = 33,639.52

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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.