Home / 31,473.72-43,432.04-18,044.32

Finding the Fourth Proportional to 31,473.72, 43,432.04 and 18,044.32

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Solution

The fourth proportional to 31,473.72, 43,432.04 and 18,044.32 is: 24,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,473.72 : 43,432.04 = 18,044.32 : x
  2. Step 2: Convert to fraction form
    31,473.72/43,432.04 = 18,044.32/x
  3. Step 3: Cross multiply
    31,473.72x = 43,432.04 × 18,044.32
  4. Step 4: Simplify right side
    31,473.72x = 783,701,628.01
  5. Step 5: Solve for x
    x = 783,701,628.01/31,473.72
  6. Step 6: Final answer
    x = 24,900.19

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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.