Home / 35,653.56-53,364.66-18,989.88

Finding the Fourth Proportional to 35,653.56, 53,364.66 and 18,989.88

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Solution

The fourth proportional to 35,653.56, 53,364.66 and 18,989.88 is: 28,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.56 : 53,364.66 = 18,989.88 : x
  2. Step 2: Convert to fraction form
    35,653.56/53,364.66 = 18,989.88/x
  3. Step 3: Cross multiply
    35,653.56x = 53,364.66 × 18,989.88
  4. Step 4: Simplify right side
    35,653.56x = 1,013,388,489.64
  5. Step 5: Solve for x
    x = 1,013,388,489.64/35,653.56
  6. Step 6: Final answer
    x = 28,423.21

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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.