Home / 68,341.89-94,311.85-38,127.21

Finding the Fourth Proportional to 68,341.89, 94,311.85 and 38,127.21

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Solution

The fourth proportional to 68,341.89, 94,311.85 and 38,127.21 is: 52,615.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,341.89 : 94,311.85 = 38,127.21 : x
  2. Step 2: Convert to fraction form
    68,341.89/94,311.85 = 38,127.21/x
  3. Step 3: Cross multiply
    68,341.89x = 94,311.85 × 38,127.21
  4. Step 4: Simplify right side
    68,341.89x = 3,595,847,710.44
  5. Step 5: Solve for x
    x = 3,595,847,710.44/68,341.89
  6. Step 6: Final answer
    x = 52,615.57

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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.