Home / 29,409.48-40,575.33-16,661.43

Finding the Fourth Proportional to 29,409.48, 40,575.33 and 16,661.43

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Solution

The fourth proportional to 29,409.48, 40,575.33 and 16,661.43 is: 22,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,409.48 : 40,575.33 = 16,661.43 : x
  2. Step 2: Convert to fraction form
    29,409.48/40,575.33 = 16,661.43/x
  3. Step 3: Cross multiply
    29,409.48x = 40,575.33 × 16,661.43
  4. Step 4: Simplify right side
    29,409.48x = 676,043,020.52
  5. Step 5: Solve for x
    x = 676,043,020.52/29,409.48
  6. Step 6: Final answer
    x = 22,987.25

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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.