Home / 56,444.85-84,608.00-18,991.92

Finding the Fourth Proportional to 56,444.85, 84,608.00 and 18,991.92

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Solution

The fourth proportional to 56,444.85, 84,608.00 and 18,991.92 is: 28,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,444.85 : 84,608.00 = 18,991.92 : x
  2. Step 2: Convert to fraction form
    56,444.85/84,608.00 = 18,991.92/x
  3. Step 3: Cross multiply
    56,444.85x = 84,608.00 × 18,991.92
  4. Step 4: Simplify right side
    56,444.85x = 1,606,867,849.36
  5. Step 5: Solve for x
    x = 1,606,867,849.36/56,444.85
  6. Step 6: Final answer
    x = 28,467.93

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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.