Home / 51,288.48-70,771.73-28,628.73

Finding the Fourth Proportional to 51,288.48, 70,771.73 and 28,628.73

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Solution

The fourth proportional to 51,288.48, 70,771.73 and 28,628.73 is: 39,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.48 : 70,771.73 = 28,628.73 : x
  2. Step 2: Convert to fraction form
    51,288.48/70,771.73 = 28,628.73/x
  3. Step 3: Cross multiply
    51,288.48x = 70,771.73 × 28,628.73
  4. Step 4: Simplify right side
    51,288.48x = 2,026,104,606.66
  5. Step 5: Solve for x
    x = 2,026,104,606.66/51,288.48
  6. Step 6: Final answer
    x = 39,504.09

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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.