Home / 53,512.20-73,849.50-30,854.88

Finding the Fourth Proportional to 53,512.20, 73,849.50 and 30,854.88

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Solution

The fourth proportional to 53,512.20, 73,849.50 and 30,854.88 is: 42,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,512.20 : 73,849.50 = 30,854.88 : x
  2. Step 2: Convert to fraction form
    53,512.20/73,849.50 = 30,854.88/x
  3. Step 3: Cross multiply
    53,512.20x = 73,849.50 × 30,854.88
  4. Step 4: Simplify right side
    53,512.20x = 2,278,617,460.56
  5. Step 5: Solve for x
    x = 2,278,617,460.56/53,512.20
  6. Step 6: Final answer
    x = 42,581.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.