Home / 29,418.48-40,597.78-15,989.77

Finding the Fourth Proportional to 29,418.48, 40,597.78 and 15,989.77

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Solution

The fourth proportional to 29,418.48, 40,597.78 and 15,989.77 is: 22,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,418.48 : 40,597.78 = 15,989.77 : x
  2. Step 2: Convert to fraction form
    29,418.48/40,597.78 = 15,989.77/x
  3. Step 3: Cross multiply
    29,418.48x = 40,597.78 × 15,989.77
  4. Step 4: Simplify right side
    29,418.48x = 649,149,235.45
  5. Step 5: Solve for x
    x = 649,149,235.45/29,418.48
  6. Step 6: Final answer
    x = 22,066.03

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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.