Home / 32,921.43-45,431.24-17,813.76

Finding the Fourth Proportional to 32,921.43, 45,431.24 and 17,813.76

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Solution

The fourth proportional to 32,921.43, 45,431.24 and 17,813.76 is: 24,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.43 : 45,431.24 = 17,813.76 : x
  2. Step 2: Convert to fraction form
    32,921.43/45,431.24 = 17,813.76/x
  3. Step 3: Cross multiply
    32,921.43x = 45,431.24 × 17,813.76
  4. Step 4: Simplify right side
    32,921.43x = 809,301,205.86
  5. Step 5: Solve for x
    x = 809,301,205.86/32,921.43
  6. Step 6: Final answer
    x = 24,582.81

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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.