Home / 29,190.83-40,280.94-16,439.93

Finding the Fourth Proportional to 29,190.83, 40,280.94 and 16,439.93

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Solution

The fourth proportional to 29,190.83, 40,280.94 and 16,439.93 is: 22,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,190.83 : 40,280.94 = 16,439.93 : x
  2. Step 2: Convert to fraction form
    29,190.83/40,280.94 = 16,439.93/x
  3. Step 3: Cross multiply
    29,190.83x = 40,280.94 × 16,439.93
  4. Step 4: Simplify right side
    29,190.83x = 662,215,934.64
  5. Step 5: Solve for x
    x = 662,215,934.64/29,190.83
  6. Step 6: Final answer
    x = 22,685.76

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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.