Home / 29,555.10-40,785.83-16,808.28

Finding the Fourth Proportional to 29,555.10, 40,785.83 and 16,808.28

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Solution

The fourth proportional to 29,555.10, 40,785.83 and 16,808.28 is: 23,195.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.10 : 40,785.83 = 16,808.28 : x
  2. Step 2: Convert to fraction form
    29,555.10/40,785.83 = 16,808.28/x
  3. Step 3: Cross multiply
    29,555.10x = 40,785.83 × 16,808.28
  4. Step 4: Simplify right side
    29,555.10x = 685,539,650.67
  5. Step 5: Solve for x
    x = 685,539,650.67/29,555.10
  6. Step 6: Final answer
    x = 23,195.31

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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.