Home / 68,450.21-94,458.53-38,235.05

Finding the Fourth Proportional to 68,450.21, 94,458.53 and 38,235.05

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Solution

The fourth proportional to 68,450.21, 94,458.53 and 38,235.05 is: 52,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,450.21 : 94,458.53 = 38,235.05 : x
  2. Step 2: Convert to fraction form
    68,450.21/94,458.53 = 38,235.05/x
  3. Step 3: Cross multiply
    68,450.21x = 94,458.53 × 38,235.05
  4. Step 4: Simplify right side
    68,450.21x = 3,611,626,426.30
  5. Step 5: Solve for x
    x = 3,611,626,426.30/68,450.21
  6. Step 6: Final answer
    x = 52,762.82

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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.