Home / 47,958.50-66,191.28-30,068.84

Finding the Fourth Proportional to 47,958.50, 66,191.28 and 30,068.84

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Solution

The fourth proportional to 47,958.50, 66,191.28 and 30,068.84 is: 41,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,958.50 : 66,191.28 = 30,068.84 : x
  2. Step 2: Convert to fraction form
    47,958.50/66,191.28 = 30,068.84/x
  3. Step 3: Cross multiply
    47,958.50x = 66,191.28 × 30,068.84
  4. Step 4: Simplify right side
    47,958.50x = 1,990,295,007.72
  5. Step 5: Solve for x
    x = 1,990,295,007.72/47,958.50
  6. Step 6: Final answer
    x = 41,500.36

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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.