Home / 53,589.09-73,947.62-30,935.38

Finding the Fourth Proportional to 53,589.09, 73,947.62 and 30,935.38

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Solution

The fourth proportional to 53,589.09, 73,947.62 and 30,935.38 is: 42,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.09 : 73,947.62 = 30,935.38 : x
  2. Step 2: Convert to fraction form
    53,589.09/73,947.62 = 30,935.38/x
  3. Step 3: Cross multiply
    53,589.09x = 73,947.62 × 30,935.38
  4. Step 4: Simplify right side
    53,589.09x = 2,287,597,909.66
  5. Step 5: Solve for x
    x = 2,287,597,909.66/53,589.09
  6. Step 6: Final answer
    x = 42,687.75

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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.