Home / 29,088.40-43,632.60-8,311.90

Finding the Fourth Proportional to 29,088.40, 43,632.60 and 8,311.90

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Solution

The fourth proportional to 29,088.40, 43,632.60 and 8,311.90 is: 12,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.40 : 43,632.60 = 8,311.90 : x
  2. Step 2: Convert to fraction form
    29,088.40/43,632.60 = 8,311.90/x
  3. Step 3: Cross multiply
    29,088.40x = 43,632.60 × 8,311.90
  4. Step 4: Simplify right side
    29,088.40x = 362,669,807.94
  5. Step 5: Solve for x
    x = 362,669,807.94/29,088.40
  6. Step 6: Final answer
    x = 12,467.85

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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.