Home / 35,653.32-53,528.58-20,081.88

Finding the Fourth Proportional to 35,653.32, 53,528.58 and 20,081.88

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Solution

The fourth proportional to 35,653.32, 53,528.58 and 20,081.88 is: 30,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.32 : 53,528.58 = 20,081.88 : x
  2. Step 2: Convert to fraction form
    35,653.32/53,528.58 = 20,081.88/x
  3. Step 3: Cross multiply
    35,653.32x = 53,528.58 × 20,081.88
  4. Step 4: Simplify right side
    35,653.32x = 1,074,954,520.13
  5. Step 5: Solve for x
    x = 1,074,954,520.13/35,653.32
  6. Step 6: Final answer
    x = 30,150.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.