Home / 47,948.62-66,157.59-30,949.27

Finding the Fourth Proportional to 47,948.62, 66,157.59 and 30,949.27

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Solution

The fourth proportional to 47,948.62, 66,157.59 and 30,949.27 is: 42,702.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,948.62 : 66,157.59 = 30,949.27 : x
  2. Step 2: Convert to fraction form
    47,948.62/66,157.59 = 30,949.27/x
  3. Step 3: Cross multiply
    47,948.62x = 66,157.59 × 30,949.27
  4. Step 4: Simplify right side
    47,948.62x = 2,047,529,115.46
  5. Step 5: Solve for x
    x = 2,047,529,115.46/47,948.62
  6. Step 6: Final answer
    x = 42,702.57

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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.