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Finding the Fourth Proportional to 29,065.63, 43,598.85 and 8,289.13

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Solution

The fourth proportional to 29,065.63, 43,598.85 and 8,289.13 is: 12,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,065.63 : 43,598.85 = 8,289.13 : x
  2. Step 2: Convert to fraction form
    29,065.63/43,598.85 = 8,289.13/x
  3. Step 3: Cross multiply
    29,065.63x = 43,598.85 × 8,289.13
  4. Step 4: Simplify right side
    29,065.63x = 361,396,317.51
  5. Step 5: Solve for x
    x = 361,396,317.51/29,065.63
  6. Step 6: Final answer
    x = 12,433.81

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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.