Home / 34,696.64-47,881.35-18,781.08

Finding the Fourth Proportional to 34,696.64, 47,881.35 and 18,781.08

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Solution

The fourth proportional to 34,696.64, 47,881.35 and 18,781.08 is: 25,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,696.64 : 47,881.35 = 18,781.08 : x
  2. Step 2: Convert to fraction form
    34,696.64/47,881.35 = 18,781.08/x
  3. Step 3: Cross multiply
    34,696.64x = 47,881.35 × 18,781.08
  4. Step 4: Simplify right side
    34,696.64x = 899,263,464.86
  5. Step 5: Solve for x
    x = 899,263,464.86/34,696.64
  6. Step 6: Final answer
    x = 25,917.89

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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.