Home / 68,290.36-94,231.74-38,068.36

Finding the Fourth Proportional to 68,290.36, 94,231.74 and 38,068.36

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Solution

The fourth proportional to 68,290.36, 94,231.74 and 38,068.36 is: 52,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,290.36 : 94,231.74 = 38,068.36 : x
  2. Step 2: Convert to fraction form
    68,290.36/94,231.74 = 38,068.36/x
  3. Step 3: Cross multiply
    68,290.36x = 94,231.74 × 38,068.36
  4. Step 4: Simplify right side
    68,290.36x = 3,587,247,801.75
  5. Step 5: Solve for x
    x = 3,587,247,801.75/68,290.36
  6. Step 6: Final answer
    x = 52,529.34

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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.