Home / 53,833.52-80,755.65-20,581.56

Finding the Fourth Proportional to 53,833.52, 80,755.65 and 20,581.56

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Solution

The fourth proportional to 53,833.52, 80,755.65 and 20,581.56 is: 30,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,833.52 : 80,755.65 = 20,581.56 : x
  2. Step 2: Convert to fraction form
    53,833.52/80,755.65 = 20,581.56/x
  3. Step 3: Cross multiply
    53,833.52x = 80,755.65 × 20,581.56
  4. Step 4: Simplify right side
    53,833.52x = 1,662,077,255.81
  5. Step 5: Solve for x
    x = 1,662,077,255.81/53,833.52
  6. Step 6: Final answer
    x = 30,874.40

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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.