Home / 38,673.06-57,894.77-21,089.58

Finding the Fourth Proportional to 38,673.06, 57,894.77 and 21,089.58

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Solution

The fourth proportional to 38,673.06, 57,894.77 and 21,089.58 is: 31,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,673.06 : 57,894.77 = 21,089.58 : x
  2. Step 2: Convert to fraction form
    38,673.06/57,894.77 = 21,089.58/x
  3. Step 3: Cross multiply
    38,673.06x = 57,894.77 × 21,089.58
  4. Step 4: Simplify right side
    38,673.06x = 1,220,976,278.05
  5. Step 5: Solve for x
    x = 1,220,976,278.05/38,673.06
  6. Step 6: Final answer
    x = 31,571.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.