Home / 53,288.36-73,540.38-30,634.70

Finding the Fourth Proportional to 53,288.36, 73,540.38 and 30,634.70

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Solution

The fourth proportional to 53,288.36, 73,540.38 and 30,634.70 is: 42,277.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,288.36 : 73,540.38 = 30,634.70 : x
  2. Step 2: Convert to fraction form
    53,288.36/73,540.38 = 30,634.70/x
  3. Step 3: Cross multiply
    53,288.36x = 73,540.38 × 30,634.70
  4. Step 4: Simplify right side
    53,288.36x = 2,252,887,479.19
  5. Step 5: Solve for x
    x = 2,252,887,479.19/53,288.36
  6. Step 6: Final answer
    x = 42,277.29

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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.