Home / 55,630.43-83,450.77-18,190.69

Finding the Fourth Proportional to 55,630.43, 83,450.77 and 18,190.69

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Solution

The fourth proportional to 55,630.43, 83,450.77 and 18,190.69 is: 27,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.43 : 83,450.77 = 18,190.69 : x
  2. Step 2: Convert to fraction form
    55,630.43/83,450.77 = 18,190.69/x
  3. Step 3: Cross multiply
    55,630.43x = 83,450.77 × 18,190.69
  4. Step 4: Simplify right side
    55,630.43x = 1,518,027,404.96
  5. Step 5: Solve for x
    x = 1,518,027,404.96/55,630.43
  6. Step 6: Final answer
    x = 27,287.72

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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.