Home / 38,981.48-53,794.44-21,076.48

Finding the Fourth Proportional to 38,981.48, 53,794.44 and 21,076.48

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Solution

The fourth proportional to 38,981.48, 53,794.44 and 21,076.48 is: 29,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,981.48 : 53,794.44 = 21,076.48 : x
  2. Step 2: Convert to fraction form
    38,981.48/53,794.44 = 21,076.48/x
  3. Step 3: Cross multiply
    38,981.48x = 53,794.44 × 21,076.48
  4. Step 4: Simplify right side
    38,981.48x = 1,133,797,438.77
  5. Step 5: Solve for x
    x = 1,133,797,438.77/38,981.48
  6. Step 6: Final answer
    x = 29,085.54

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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.