Home / 48,651.84-67,157.10-30,758.94

Finding the Fourth Proportional to 48,651.84, 67,157.10 and 30,758.94

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Solution

The fourth proportional to 48,651.84, 67,157.10 and 30,758.94 is: 42,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,651.84 : 67,157.10 = 30,758.94 : x
  2. Step 2: Convert to fraction form
    48,651.84/67,157.10 = 30,758.94/x
  3. Step 3: Cross multiply
    48,651.84x = 67,157.10 × 30,758.94
  4. Step 4: Simplify right side
    48,651.84x = 2,065,681,209.47
  5. Step 5: Solve for x
    x = 2,065,681,209.47/48,651.84
  6. Step 6: Final answer
    x = 42,458.44

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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.