Home / 38,640.96-57,830.16-29,914.80

Finding the Fourth Proportional to 38,640.96, 57,830.16 and 29,914.80

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Solution

The fourth proportional to 38,640.96, 57,830.16 and 29,914.80 is: 44,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.96 : 57,830.16 = 29,914.80 : x
  2. Step 2: Convert to fraction form
    38,640.96/57,830.16 = 29,914.80/x
  3. Step 3: Cross multiply
    38,640.96x = 57,830.16 × 29,914.80
  4. Step 4: Simplify right side
    38,640.96x = 1,729,977,670.37
  5. Step 5: Solve for x
    x = 1,729,977,670.37/38,640.96
  6. Step 6: Final answer
    x = 44,770.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.