Home / 29,178.72-40,256.64-16,600.32

Finding the Fourth Proportional to 29,178.72, 40,256.64 and 16,600.32

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Solution

The fourth proportional to 29,178.72, 40,256.64 and 16,600.32 is: 22,902.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,178.72 : 40,256.64 = 16,600.32 : x
  2. Step 2: Convert to fraction form
    29,178.72/40,256.64 = 16,600.32/x
  3. Step 3: Cross multiply
    29,178.72x = 40,256.64 × 16,600.32
  4. Step 4: Simplify right side
    29,178.72x = 668,273,106.12
  5. Step 5: Solve for x
    x = 668,273,106.12/29,178.72
  6. Step 6: Final answer
    x = 22,902.76

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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.