Home / 53,535.40-80,249.60-35,781

Finding the Fourth Proportional to 53,535.40, 80,249.60 and 35,781

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Solution

The fourth proportional to 53,535.40, 80,249.60 and 35,781 is: 53,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.40 : 80,249.60 = 35,781 : x
  2. Step 2: Convert to fraction form
    53,535.40/80,249.60 = 35,781/x
  3. Step 3: Cross multiply
    53,535.40x = 80,249.60 × 35,781
  4. Step 4: Simplify right side
    53,535.40x = 2,871,410,937.60
  5. Step 5: Solve for x
    x = 2,871,410,937.60/53,535.40
  6. Step 6: Final answer
    x = 53,635.74

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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.