Home / 53,218.24-73,441.66-29,345.78

Finding the Fourth Proportional to 53,218.24, 73,441.66 and 29,345.78

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Solution

The fourth proportional to 53,218.24, 73,441.66 and 29,345.78 is: 40,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.24 : 73,441.66 = 29,345.78 : x
  2. Step 2: Convert to fraction form
    53,218.24/73,441.66 = 29,345.78/x
  3. Step 3: Cross multiply
    53,218.24x = 73,441.66 × 29,345.78
  4. Step 4: Simplify right side
    53,218.24x = 2,155,202,797.19
  5. Step 5: Solve for x
    x = 2,155,202,797.19/53,218.24
  6. Step 6: Final answer
    x = 40,497.45

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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.