Home / 31,625.88-43,643.70-17,478.60

Finding the Fourth Proportional to 31,625.88, 43,643.70 and 17,478.60

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Solution

The fourth proportional to 31,625.88, 43,643.70 and 17,478.60 is: 24,120.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.88 : 43,643.70 = 17,478.60 : x
  2. Step 2: Convert to fraction form
    31,625.88/43,643.70 = 17,478.60/x
  3. Step 3: Cross multiply
    31,625.88x = 43,643.70 × 17,478.60
  4. Step 4: Simplify right side
    31,625.88x = 762,830,774.82
  5. Step 5: Solve for x
    x = 762,830,774.82/31,625.88
  6. Step 6: Final answer
    x = 24,120.46

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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.