Home / 31,579.47-43,579.08-17,432.01

Finding the Fourth Proportional to 31,579.47, 43,579.08 and 17,432.01

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Solution

The fourth proportional to 31,579.47, 43,579.08 and 17,432.01 is: 24,055.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.47 : 43,579.08 = 17,432.01 : x
  2. Step 2: Convert to fraction form
    31,579.47/43,579.08 = 17,432.01/x
  3. Step 3: Cross multiply
    31,579.47x = 43,579.08 × 17,432.01
  4. Step 4: Simplify right side
    31,579.47x = 759,670,958.35
  5. Step 5: Solve for x
    x = 759,670,958.35/31,579.47
  6. Step 6: Final answer
    x = 24,055.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.