Home / 31,580.07-43,580.49-17,432.91

Finding the Fourth Proportional to 31,580.07, 43,580.49 and 17,432.91

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Solution

The fourth proportional to 31,580.07, 43,580.49 and 17,432.91 is: 24,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.07 : 43,580.49 = 17,432.91 : x
  2. Step 2: Convert to fraction form
    31,580.07/43,580.49 = 17,432.91/x
  3. Step 3: Cross multiply
    31,580.07x = 43,580.49 × 17,432.91
  4. Step 4: Simplify right side
    31,580.07x = 759,734,759.93
  5. Step 5: Solve for x
    x = 759,734,759.93/31,580.07
  6. Step 6: Final answer
    x = 24,057.41

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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.