Home / 31,783.41-43,856.24-19,033.61

Finding the Fourth Proportional to 31,783.41, 43,856.24 and 19,033.61

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Solution

The fourth proportional to 31,783.41, 43,856.24 and 19,033.61 is: 26,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.41 : 43,856.24 = 19,033.61 : x
  2. Step 2: Convert to fraction form
    31,783.41/43,856.24 = 19,033.61/x
  3. Step 3: Cross multiply
    31,783.41x = 43,856.24 × 19,033.61
  4. Step 4: Simplify right side
    31,783.41x = 834,742,253.78
  5. Step 5: Solve for x
    x = 834,742,253.78/31,783.41
  6. Step 6: Final answer
    x = 26,263.46

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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.