Home / 35,439.32-53,122.46-15,727.16

Finding the Fourth Proportional to 35,439.32, 53,122.46 and 15,727.16

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Solution

The fourth proportional to 35,439.32, 53,122.46 and 15,727.16 is: 23,574.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.32 : 53,122.46 = 15,727.16 : x
  2. Step 2: Convert to fraction form
    35,439.32/53,122.46 = 15,727.16/x
  3. Step 3: Cross multiply
    35,439.32x = 53,122.46 × 15,727.16
  4. Step 4: Simplify right side
    35,439.32x = 835,465,201.72
  5. Step 5: Solve for x
    x = 835,465,201.72/35,439.32
  6. Step 6: Final answer
    x = 23,574.53

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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.