Home / 51,003.36-70,383.60-28,647.36

Finding the Fourth Proportional to 51,003.36, 70,383.60 and 28,647.36

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Solution

The fourth proportional to 51,003.36, 70,383.60 and 28,647.36 is: 39,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,003.36 : 70,383.60 = 28,647.36 : x
  2. Step 2: Convert to fraction form
    51,003.36/70,383.60 = 28,647.36/x
  3. Step 3: Cross multiply
    51,003.36x = 70,383.60 × 28,647.36
  4. Step 4: Simplify right side
    51,003.36x = 2,016,304,327.30
  5. Step 5: Solve for x
    x = 2,016,304,327.30/51,003.36
  6. Step 6: Final answer
    x = 39,532.77

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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.