Home / 31,473.63-43,435.04-18,043.83

Finding the Fourth Proportional to 31,473.63, 43,435.04 and 18,043.83

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Solution

The fourth proportional to 31,473.63, 43,435.04 and 18,043.83 is: 24,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.63 : 43,435.04 = 18,043.83 : x
  2. Step 2: Convert to fraction form
    31,473.63/43,435.04 = 18,043.83/x
  3. Step 3: Cross multiply
    31,473.63x = 43,435.04 × 18,043.83
  4. Step 4: Simplify right side
    31,473.63x = 783,734,387.58
  5. Step 5: Solve for x
    x = 783,734,387.58/31,473.63
  6. Step 6: Final answer
    x = 24,901.30

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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.