Home / 29,231.06-40,339.77-16,655

Finding the Fourth Proportional to 29,231.06, 40,339.77 and 16,655

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Solution

The fourth proportional to 29,231.06, 40,339.77 and 16,655 is: 22,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,231.06 : 40,339.77 = 16,655 : x
  2. Step 2: Convert to fraction form
    29,231.06/40,339.77 = 16,655/x
  3. Step 3: Cross multiply
    29,231.06x = 40,339.77 × 16,655
  4. Step 4: Simplify right side
    29,231.06x = 671,858,869.35
  5. Step 5: Solve for x
    x = 671,858,869.35/29,231.06
  6. Step 6: Final answer
    x = 22,984.42

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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.