Home / 54,462.27-81,698.45-21,184.86

Finding the Fourth Proportional to 54,462.27, 81,698.45 and 21,184.86

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Solution

The fourth proportional to 54,462.27, 81,698.45 and 21,184.86 is: 31,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,462.27 : 81,698.45 = 21,184.86 : x
  2. Step 2: Convert to fraction form
    54,462.27/81,698.45 = 21,184.86/x
  3. Step 3: Cross multiply
    54,462.27x = 81,698.45 × 21,184.86
  4. Step 4: Simplify right side
    54,462.27x = 1,730,770,225.47
  5. Step 5: Solve for x
    x = 1,730,770,225.47/54,462.27
  6. Step 6: Final answer
    x = 31,779.25

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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.