Home / 29,055.38-43,590.35-8,278.88

Finding the Fourth Proportional to 29,055.38, 43,590.35 and 8,278.88

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Solution

The fourth proportional to 29,055.38, 43,590.35 and 8,278.88 is: 12,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,055.38 : 43,590.35 = 8,278.88 : x
  2. Step 2: Convert to fraction form
    29,055.38/43,590.35 = 8,278.88/x
  3. Step 3: Cross multiply
    29,055.38x = 43,590.35 × 8,278.88
  4. Step 4: Simplify right side
    29,055.38x = 360,879,079.55
  5. Step 5: Solve for x
    x = 360,879,079.55/29,055.38
  6. Step 6: Final answer
    x = 12,420.39

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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.