Home / 29,672.08-40,948.64-16,242.56

Finding the Fourth Proportional to 29,672.08, 40,948.64 and 16,242.56

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Solution

The fourth proportional to 29,672.08, 40,948.64 and 16,242.56 is: 22,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.08 : 40,948.64 = 16,242.56 : x
  2. Step 2: Convert to fraction form
    29,672.08/40,948.64 = 16,242.56/x
  3. Step 3: Cross multiply
    29,672.08x = 40,948.64 × 16,242.56
  4. Step 4: Simplify right side
    29,672.08x = 665,110,742.12
  5. Step 5: Solve for x
    x = 665,110,742.12/29,672.08
  6. Step 6: Final answer
    x = 22,415.37

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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.