Home / 31,575.36-43,573.77-17,428.20

Finding the Fourth Proportional to 31,575.36, 43,573.77 and 17,428.20

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Solution

The fourth proportional to 31,575.36, 43,573.77 and 17,428.20 is: 24,050.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,575.36 : 43,573.77 = 17,428.20 : x
  2. Step 2: Convert to fraction form
    31,575.36/43,573.77 = 17,428.20/x
  3. Step 3: Cross multiply
    31,575.36x = 43,573.77 × 17,428.20
  4. Step 4: Simplify right side
    31,575.36x = 759,412,378.31
  5. Step 5: Solve for x
    x = 759,412,378.31/31,575.36
  6. Step 6: Final answer
    x = 24,050.79

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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.