Home / 49,290.54-68,028.75-31,393.50

Finding the Fourth Proportional to 49,290.54, 68,028.75 and 31,393.50

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Solution

The fourth proportional to 49,290.54, 68,028.75 and 31,393.50 is: 43,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290.54 : 68,028.75 = 31,393.50 : x
  2. Step 2: Convert to fraction form
    49,290.54/68,028.75 = 31,393.50/x
  3. Step 3: Cross multiply
    49,290.54x = 68,028.75 × 31,393.50
  4. Step 4: Simplify right side
    49,290.54x = 2,135,660,563.13
  5. Step 5: Solve for x
    x = 2,135,660,563.13/49,290.54
  6. Step 6: Final answer
    x = 43,328.00

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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.