Home / 68,376.21-94,358.91-38,161.20

Finding the Fourth Proportional to 68,376.21, 94,358.91 and 38,161.20

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Solution

The fourth proportional to 68,376.21, 94,358.91 and 38,161.20 is: 52,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,376.21 : 94,358.91 = 38,161.20 : x
  2. Step 2: Convert to fraction form
    68,376.21/94,358.91 = 38,161.20/x
  3. Step 3: Cross multiply
    68,376.21x = 94,358.91 × 38,161.20
  4. Step 4: Simplify right side
    68,376.21x = 3,600,849,236.29
  5. Step 5: Solve for x
    x = 3,600,849,236.29/68,376.21
  6. Step 6: Final answer
    x = 52,662.31

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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.