Home / 49,648.22-68,515.40-28,427.34

Finding the Fourth Proportional to 49,648.22, 68,515.40 and 28,427.34

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Solution

The fourth proportional to 49,648.22, 68,515.40 and 28,427.34 is: 39,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,648.22 : 68,515.40 = 28,427.34 : x
  2. Step 2: Convert to fraction form
    49,648.22/68,515.40 = 28,427.34/x
  3. Step 3: Cross multiply
    49,648.22x = 68,515.40 × 28,427.34
  4. Step 4: Simplify right side
    49,648.22x = 1,947,710,571.04
  5. Step 5: Solve for x
    x = 1,947,710,571.04/49,648.22
  6. Step 6: Final answer
    x = 39,230.22

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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.