Home / 53,189.82-73,405.32-29,316.51

Finding the Fourth Proportional to 53,189.82, 73,405.32 and 29,316.51

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Solution

The fourth proportional to 53,189.82, 73,405.32 and 29,316.51 is: 40,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,189.82 : 73,405.32 = 29,316.51 : x
  2. Step 2: Convert to fraction form
    53,189.82/73,405.32 = 29,316.51/x
  3. Step 3: Cross multiply
    53,189.82x = 73,405.32 × 29,316.51
  4. Step 4: Simplify right side
    53,189.82x = 2,151,987,797.83
  5. Step 5: Solve for x
    x = 2,151,987,797.83/53,189.82
  6. Step 6: Final answer
    x = 40,458.64

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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.