Home / 31,401.53-43,333.20-17,972.32

Finding the Fourth Proportional to 31,401.53, 43,333.20 and 17,972.32

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Solution

The fourth proportional to 31,401.53, 43,333.20 and 17,972.32 is: 24,801.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.53 : 43,333.20 = 17,972.32 : x
  2. Step 2: Convert to fraction form
    31,401.53/43,333.20 = 17,972.32/x
  3. Step 3: Cross multiply
    31,401.53x = 43,333.20 × 17,972.32
  4. Step 4: Simplify right side
    31,401.53x = 778,798,245.36
  5. Step 5: Solve for x
    x = 778,798,245.36/31,401.53
  6. Step 6: Final answer
    x = 24,801.29

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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.