Home / 54,473.22-81,688.77-21,188.79

Finding the Fourth Proportional to 54,473.22, 81,688.77 and 21,188.79

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Solution

The fourth proportional to 54,473.22, 81,688.77 and 21,188.79 is: 31,774.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.22 : 81,688.77 = 21,188.79 : x
  2. Step 2: Convert to fraction form
    54,473.22/81,688.77 = 21,188.79/x
  3. Step 3: Cross multiply
    54,473.22x = 81,688.77 × 21,188.79
  4. Step 4: Simplify right side
    54,473.22x = 1,730,886,192.89
  5. Step 5: Solve for x
    x = 1,730,886,192.89/54,473.22
  6. Step 6: Final answer
    x = 31,774.99

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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.