Home / 53,306.88-73,572.48-30,963.84

Finding the Fourth Proportional to 53,306.88, 73,572.48 and 30,963.84

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Solution

The fourth proportional to 53,306.88, 73,572.48 and 30,963.84 is: 42,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.88 : 73,572.48 = 30,963.84 : x
  2. Step 2: Convert to fraction form
    53,306.88/73,572.48 = 30,963.84/x
  3. Step 3: Cross multiply
    53,306.88x = 73,572.48 × 30,963.84
  4. Step 4: Simplify right side
    53,306.88x = 2,278,086,499.12
  5. Step 5: Solve for x
    x = 2,278,086,499.12/53,306.88
  6. Step 6: Final answer
    x = 42,735.32

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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.