Home / 35,621.10-53,528.70-18,993.12

Finding the Fourth Proportional to 35,621.10, 53,528.70 and 18,993.12

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Solution

The fourth proportional to 35,621.10, 53,528.70 and 18,993.12 is: 28,541.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.10 : 53,528.70 = 18,993.12 : x
  2. Step 2: Convert to fraction form
    35,621.10/53,528.70 = 18,993.12/x
  3. Step 3: Cross multiply
    35,621.10x = 53,528.70 × 18,993.12
  4. Step 4: Simplify right side
    35,621.10x = 1,016,677,022.54
  5. Step 5: Solve for x
    x = 1,016,677,022.54/35,621.10
  6. Step 6: Final answer
    x = 28,541.43

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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.