Home / 29,455.86-40,650.51-16,880.64

Finding the Fourth Proportional to 29,455.86, 40,650.51 and 16,880.64

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Solution

The fourth proportional to 29,455.86, 40,650.51 and 16,880.64 is: 23,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.86 : 40,650.51 = 16,880.64 : x
  2. Step 2: Convert to fraction form
    29,455.86/40,650.51 = 16,880.64/x
  3. Step 3: Cross multiply
    29,455.86x = 40,650.51 × 16,880.64
  4. Step 4: Simplify right side
    29,455.86x = 686,206,625.13
  5. Step 5: Solve for x
    x = 686,206,625.13/29,455.86
  6. Step 6: Final answer
    x = 23,296.10

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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.