Home / 53,771.35-80,639.76-17,739.71

Finding the Fourth Proportional to 53,771.35, 80,639.76 and 17,739.71

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Solution

The fourth proportional to 53,771.35, 80,639.76 and 17,739.71 is: 26,603.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,771.35 : 80,639.76 = 17,739.71 : x
  2. Step 2: Convert to fraction form
    53,771.35/80,639.76 = 17,739.71/x
  3. Step 3: Cross multiply
    53,771.35x = 80,639.76 × 17,739.71
  4. Step 4: Simplify right side
    53,771.35x = 1,430,525,464.97
  5. Step 5: Solve for x
    x = 1,430,525,464.97/53,771.35
  6. Step 6: Final answer
    x = 26,603.86

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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.