Home / 29,477.57-40,682.30-18,144.81

Finding the Fourth Proportional to 29,477.57, 40,682.30 and 18,144.81

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Solution

The fourth proportional to 29,477.57, 40,682.30 and 18,144.81 is: 25,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,477.57 : 40,682.30 = 18,144.81 : x
  2. Step 2: Convert to fraction form
    29,477.57/40,682.30 = 18,144.81/x
  3. Step 3: Cross multiply
    29,477.57x = 40,682.30 × 18,144.81
  4. Step 4: Simplify right side
    29,477.57x = 738,172,615.20
  5. Step 5: Solve for x
    x = 738,172,615.20/29,477.57
  6. Step 6: Final answer
    x = 25,041.84

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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.