Home / 29,571.90-40,809.33-16,143.45

Finding the Fourth Proportional to 29,571.90, 40,809.33 and 16,143.45

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Solution

The fourth proportional to 29,571.90, 40,809.33 and 16,143.45 is: 22,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,571.90 : 40,809.33 = 16,143.45 : x
  2. Step 2: Convert to fraction form
    29,571.90/40,809.33 = 16,143.45/x
  3. Step 3: Cross multiply
    29,571.90x = 40,809.33 × 16,143.45
  4. Step 4: Simplify right side
    29,571.90x = 658,803,378.39
  5. Step 5: Solve for x
    x = 658,803,378.39/29,571.90
  6. Step 6: Final answer
    x = 22,278.02

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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.