Home / 49,045.60-67,690.56-27,820.48

Finding the Fourth Proportional to 49,045.60, 67,690.56 and 27,820.48

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Solution

The fourth proportional to 49,045.60, 67,690.56 and 27,820.48 is: 38,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,045.60 : 67,690.56 = 27,820.48 : x
  2. Step 2: Convert to fraction form
    49,045.60/67,690.56 = 27,820.48/x
  3. Step 3: Cross multiply
    49,045.60x = 67,690.56 × 27,820.48
  4. Step 4: Simplify right side
    49,045.60x = 1,883,183,870.67
  5. Step 5: Solve for x
    x = 1,883,183,870.67/49,045.60
  6. Step 6: Final answer
    x = 38,396.59

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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.