Home / 29,643.50-40,909.16-16,898.69

Finding the Fourth Proportional to 29,643.50, 40,909.16 and 16,898.69

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Solution

The fourth proportional to 29,643.50, 40,909.16 and 16,898.69 is: 23,320.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,643.50 : 40,909.16 = 16,898.69 : x
  2. Step 2: Convert to fraction form
    29,643.50/40,909.16 = 16,898.69/x
  3. Step 3: Cross multiply
    29,643.50x = 40,909.16 × 16,898.69
  4. Step 4: Simplify right side
    29,643.50x = 691,310,923.96
  5. Step 5: Solve for x
    x = 691,310,923.96/29,643.50
  6. Step 6: Final answer
    x = 23,320.83

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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.