Home / 53,535.60-80,226.45-30,112.56

Finding the Fourth Proportional to 53,535.60, 80,226.45 and 30,112.56

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Solution

The fourth proportional to 53,535.60, 80,226.45 and 30,112.56 is: 45,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,535.60 : 80,226.45 = 30,112.56 : x
  2. Step 2: Convert to fraction form
    53,535.60/80,226.45 = 30,112.56/x
  3. Step 3: Cross multiply
    53,535.60x = 80,226.45 × 30,112.56
  4. Step 4: Simplify right side
    53,535.60x = 2,415,823,789.21
  5. Step 5: Solve for x
    x = 2,415,823,789.21/53,535.60
  6. Step 6: Final answer
    x = 45,125.56

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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.