Home / 51,394.64-70,922.84-30,173.36

Finding the Fourth Proportional to 51,394.64, 70,922.84 and 30,173.36

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Solution

The fourth proportional to 51,394.64, 70,922.84 and 30,173.36 is: 41,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,394.64 : 70,922.84 = 30,173.36 : x
  2. Step 2: Convert to fraction form
    51,394.64/70,922.84 = 30,173.36/x
  3. Step 3: Cross multiply
    51,394.64x = 70,922.84 × 30,173.36
  4. Step 4: Simplify right side
    51,394.64x = 2,139,980,383.54
  5. Step 5: Solve for x
    x = 2,139,980,383.54/51,394.64
  6. Step 6: Final answer
    x = 41,638.20

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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.