Home / 29,089.19-43,633.79-8,312.69

Finding the Fourth Proportional to 29,089.19, 43,633.79 and 8,312.69

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Solution

The fourth proportional to 29,089.19, 43,633.79 and 8,312.69 is: 12,469.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.19 : 43,633.79 = 8,312.69 : x
  2. Step 2: Convert to fraction form
    29,089.19/43,633.79 = 8,312.69/x
  3. Step 3: Cross multiply
    29,089.19x = 43,633.79 × 8,312.69
  4. Step 4: Simplify right side
    29,089.19x = 362,714,268.49
  5. Step 5: Solve for x
    x = 362,714,268.49/29,089.19
  6. Step 6: Final answer
    x = 12,469.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.