Home / 29,435.64-40,612.17-16,686.78

Finding the Fourth Proportional to 29,435.64, 40,612.17 and 16,686.78

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Solution

The fourth proportional to 29,435.64, 40,612.17 and 16,686.78 is: 23,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,435.64 : 40,612.17 = 16,686.78 : x
  2. Step 2: Convert to fraction form
    29,435.64/40,612.17 = 16,686.78/x
  3. Step 3: Cross multiply
    29,435.64x = 40,612.17 × 16,686.78
  4. Step 4: Simplify right side
    29,435.64x = 677,686,346.11
  5. Step 5: Solve for x
    x = 677,686,346.11/29,435.64
  6. Step 6: Final answer
    x = 23,022.65

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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.