Home / 31,712.37-43,763.39-19,134.69

Finding the Fourth Proportional to 31,712.37, 43,763.39 and 19,134.69

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Solution

The fourth proportional to 31,712.37, 43,763.39 and 19,134.69 is: 26,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,712.37 : 43,763.39 = 19,134.69 : x
  2. Step 2: Convert to fraction form
    31,712.37/43,763.39 = 19,134.69/x
  3. Step 3: Cross multiply
    31,712.37x = 43,763.39 × 19,134.69
  4. Step 4: Simplify right side
    31,712.37x = 837,398,901.00
  5. Step 5: Solve for x
    x = 837,398,901.00/31,712.37
  6. Step 6: Final answer
    x = 26,406.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.