Home / 45,512.40-68,268.60-19,246.80

Finding the Fourth Proportional to 45,512.40, 68,268.60 and 19,246.80

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Solution

The fourth proportional to 45,512.40, 68,268.60 and 19,246.80 is: 28,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,512.40 : 68,268.60 = 19,246.80 : x
  2. Step 2: Convert to fraction form
    45,512.40/68,268.60 = 19,246.80/x
  3. Step 3: Cross multiply
    45,512.40x = 68,268.60 × 19,246.80
  4. Step 4: Simplify right side
    45,512.40x = 1,313,952,090.48
  5. Step 5: Solve for x
    x = 1,313,952,090.48/45,512.40
  6. Step 6: Final answer
    x = 28,870.20

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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.