Home / 35,772.77-53,659.17-12,399.23

Finding the Fourth Proportional to 35,772.77, 53,659.17 and 12,399.23

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Solution

The fourth proportional to 35,772.77, 53,659.17 and 12,399.23 is: 18,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.77 : 53,659.17 = 12,399.23 : x
  2. Step 2: Convert to fraction form
    35,772.77/53,659.17 = 12,399.23/x
  3. Step 3: Cross multiply
    35,772.77x = 53,659.17 × 12,399.23
  4. Step 4: Simplify right side
    35,772.77x = 665,332,122.14
  5. Step 5: Solve for x
    x = 665,332,122.14/35,772.77
  6. Step 6: Final answer
    x = 18,598.85

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1.5x scale

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.