Home / 56,089.82-84,116.52-18,639.84

Finding the Fourth Proportional to 56,089.82, 84,116.52 and 18,639.84

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Solution

The fourth proportional to 56,089.82, 84,116.52 and 18,639.84 is: 27,953.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,089.82 : 84,116.52 = 18,639.84 : x
  2. Step 2: Convert to fraction form
    56,089.82/84,116.52 = 18,639.84/x
  3. Step 3: Cross multiply
    56,089.82x = 84,116.52 × 18,639.84
  4. Step 4: Simplify right side
    56,089.82x = 1,567,918,474.16
  5. Step 5: Solve for x
    x = 1,567,918,474.16/56,089.82
  6. Step 6: Final answer
    x = 27,953.71

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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.