Home / 29,622.08-44,433.12-12,978.20

Finding the Fourth Proportional to 29,622.08, 44,433.12 and 12,978.20

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Solution

The fourth proportional to 29,622.08, 44,433.12 and 12,978.20 is: 19,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622.08 : 44,433.12 = 12,978.20 : x
  2. Step 2: Convert to fraction form
    29,622.08/44,433.12 = 12,978.20/x
  3. Step 3: Cross multiply
    29,622.08x = 44,433.12 × 12,978.20
  4. Step 4: Simplify right side
    29,622.08x = 576,661,917.98
  5. Step 5: Solve for x
    x = 576,661,917.98/29,622.08
  6. Step 6: Final answer
    x = 19,467.30

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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.