Home / 31,579.99-43,579.56-17,432.53

Finding the Fourth Proportional to 31,579.99, 43,579.56 and 17,432.53

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Solution

The fourth proportional to 31,579.99, 43,579.56 and 17,432.53 is: 24,056.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,579.99 : 43,579.56 = 17,432.53 : x
  2. Step 2: Convert to fraction form
    31,579.99/43,579.56 = 17,432.53/x
  3. Step 3: Cross multiply
    31,579.99x = 43,579.56 × 17,432.53
  4. Step 4: Simplify right side
    31,579.99x = 759,701,987.09
  5. Step 5: Solve for x
    x = 759,701,987.09/31,579.99
  6. Step 6: Final answer
    x = 24,056.44

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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.