Home / 51,383.60-70,824.48-34,381.72

Finding the Fourth Proportional to 51,383.60, 70,824.48 and 34,381.72

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Solution

The fourth proportional to 51,383.60, 70,824.48 and 34,381.72 is: 47,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383.60 : 70,824.48 = 34,381.72 : x
  2. Step 2: Convert to fraction form
    51,383.60/70,824.48 = 34,381.72/x
  3. Step 3: Cross multiply
    51,383.60x = 70,824.48 × 34,381.72
  4. Step 4: Simplify right side
    51,383.60x = 2,435,067,440.51
  5. Step 5: Solve for x
    x = 2,435,067,440.51/51,383.60
  6. Step 6: Final answer
    x = 47,389.97

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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.