Home / 53,814.16-80,717.97-20,073.67

Finding the Fourth Proportional to 53,814.16, 80,717.97 and 20,073.67

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Solution

The fourth proportional to 53,814.16, 80,717.97 and 20,073.67 is: 30,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,814.16 : 80,717.97 = 20,073.67 : x
  2. Step 2: Convert to fraction form
    53,814.16/80,717.97 = 20,073.67/x
  3. Step 3: Cross multiply
    53,814.16x = 80,717.97 × 20,073.67
  4. Step 4: Simplify right side
    53,814.16x = 1,620,305,388.89
  5. Step 5: Solve for x
    x = 1,620,305,388.89/53,814.16
  6. Step 6: Final answer
    x = 30,109.28

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1.5x scale

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.