Home / 48,453-66,868.98-28,584.84

Finding the Fourth Proportional to 48,453, 66,868.98 and 28,584.84

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Solution

The fourth proportional to 48,453, 66,868.98 and 28,584.84 is: 39,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,453 : 66,868.98 = 28,584.84 : x
  2. Step 2: Convert to fraction form
    48,453/66,868.98 = 28,584.84/x
  3. Step 3: Cross multiply
    48,453x = 66,868.98 × 28,584.84
  4. Step 4: Simplify right side
    48,453x = 1,911,439,094.26
  5. Step 5: Solve for x
    x = 1,911,439,094.26/48,453
  6. Step 6: Final answer
    x = 39,449.34

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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.