Home / 29,055.60-43,590.66-8,279.10

Finding the Fourth Proportional to 29,055.60, 43,590.66 and 8,279.10

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Solution

The fourth proportional to 29,055.60, 43,590.66 and 8,279.10 is: 12,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,055.60 : 43,590.66 = 8,279.10 : x
  2. Step 2: Convert to fraction form
    29,055.60/43,590.66 = 8,279.10/x
  3. Step 3: Cross multiply
    29,055.60x = 43,590.66 × 8,279.10
  4. Step 4: Simplify right side
    29,055.60x = 360,891,433.21
  5. Step 5: Solve for x
    x = 360,891,433.21/29,055.60
  6. Step 6: Final answer
    x = 12,420.72

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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.