Home / 31,860.06-43,965.72-17,712.60

Finding the Fourth Proportional to 31,860.06, 43,965.72 and 17,712.60

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Solution

The fourth proportional to 31,860.06, 43,965.72 and 17,712.60 is: 24,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,860.06 : 43,965.72 = 17,712.60 : x
  2. Step 2: Convert to fraction form
    31,860.06/43,965.72 = 17,712.60/x
  3. Step 3: Cross multiply
    31,860.06x = 43,965.72 × 17,712.60
  4. Step 4: Simplify right side
    31,860.06x = 778,747,212.07
  5. Step 5: Solve for x
    x = 778,747,212.07/31,860.06
  6. Step 6: Final answer
    x = 24,442.74

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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.