Home / 30,906.36-42,613.20-26,117.64

Finding the Fourth Proportional to 30,906.36, 42,613.20 and 26,117.64

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Solution

The fourth proportional to 30,906.36, 42,613.20 and 26,117.64 is: 36,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.36 : 42,613.20 = 26,117.64 : x
  2. Step 2: Convert to fraction form
    30,906.36/42,613.20 = 26,117.64/x
  3. Step 3: Cross multiply
    30,906.36x = 42,613.20 × 26,117.64
  4. Step 4: Simplify right side
    30,906.36x = 1,112,956,216.85
  5. Step 5: Solve for x
    x = 1,112,956,216.85/30,906.36
  6. Step 6: Final answer
    x = 36,010.59

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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.