Home / 31,747.02-43,809.63-17,406.54

Finding the Fourth Proportional to 31,747.02, 43,809.63 and 17,406.54

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Solution

The fourth proportional to 31,747.02, 43,809.63 and 17,406.54 is: 24,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.02 : 43,809.63 = 17,406.54 : x
  2. Step 2: Convert to fraction form
    31,747.02/43,809.63 = 17,406.54/x
  3. Step 3: Cross multiply
    31,747.02x = 43,809.63 × 17,406.54
  4. Step 4: Simplify right side
    31,747.02x = 762,574,076.98
  5. Step 5: Solve for x
    x = 762,574,076.98/31,747.02
  6. Step 6: Final answer
    x = 24,020.34

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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.