Home / 56,490.85-84,736.76-14,370.97

Finding the Fourth Proportional to 56,490.85, 84,736.76 and 14,370.97

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Solution

The fourth proportional to 56,490.85, 84,736.76 and 14,370.97 is: 21,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.85 : 84,736.76 = 14,370.97 : x
  2. Step 2: Convert to fraction form
    56,490.85/84,736.76 = 14,370.97/x
  3. Step 3: Cross multiply
    56,490.85x = 84,736.76 × 14,370.97
  4. Step 4: Simplify right side
    56,490.85x = 1,217,749,435.86
  5. Step 5: Solve for x
    x = 1,217,749,435.86/56,490.85
  6. Step 6: Final answer
    x = 21,556.58

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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.