Home / 31,269.02-43,153.73-17,837.20

Finding the Fourth Proportional to 31,269.02, 43,153.73 and 17,837.20

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Solution

The fourth proportional to 31,269.02, 43,153.73 and 17,837.20 is: 24,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.02 : 43,153.73 = 17,837.20 : x
  2. Step 2: Convert to fraction form
    31,269.02/43,153.73 = 17,837.20/x
  3. Step 3: Cross multiply
    31,269.02x = 43,153.73 × 17,837.20
  4. Step 4: Simplify right side
    31,269.02x = 769,741,712.76
  5. Step 5: Solve for x
    x = 769,741,712.76/31,269.02
  6. Step 6: Final answer
    x = 24,616.75

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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.