Home / 53,553.64-73,906.74-30,884.20

Finding the Fourth Proportional to 53,553.64, 73,906.74 and 30,884.20

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Solution

The fourth proportional to 53,553.64, 73,906.74 and 30,884.20 is: 42,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,553.64 : 73,906.74 = 30,884.20 : x
  2. Step 2: Convert to fraction form
    53,553.64/73,906.74 = 30,884.20/x
  3. Step 3: Cross multiply
    53,553.64x = 73,906.74 × 30,884.20
  4. Step 4: Simplify right side
    53,553.64x = 2,282,550,539.51
  5. Step 5: Solve for x
    x = 2,282,550,539.51/53,553.64
  6. Step 6: Final answer
    x = 42,621.76

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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.