Home / 53,491.61-80,238.32-20,227.43

Finding the Fourth Proportional to 53,491.61, 80,238.32 and 20,227.43

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Solution

The fourth proportional to 53,491.61, 80,238.32 and 20,227.43 is: 30,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.61 : 80,238.32 = 20,227.43 : x
  2. Step 2: Convert to fraction form
    53,491.61/80,238.32 = 20,227.43/x
  3. Step 3: Cross multiply
    53,491.61x = 80,238.32 × 20,227.43
  4. Step 4: Simplify right side
    53,491.61x = 1,623,014,498.79
  5. Step 5: Solve for x
    x = 1,623,014,498.79/53,491.61
  6. Step 6: Final answer
    x = 30,341.48

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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.