Home / 43,789.67-65,444.55-31,968.33

Finding the Fourth Proportional to 43,789.67, 65,444.55 and 31,968.33

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Solution

The fourth proportional to 43,789.67, 65,444.55 and 31,968.33 is: 47,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,789.67 : 65,444.55 = 31,968.33 : x
  2. Step 2: Convert to fraction form
    43,789.67/65,444.55 = 31,968.33/x
  3. Step 3: Cross multiply
    43,789.67x = 65,444.55 × 31,968.33
  4. Step 4: Simplify right side
    43,789.67x = 2,092,152,971.10
  5. Step 5: Solve for x
    x = 2,092,152,971.10/43,789.67
  6. Step 6: Final answer
    x = 47,777.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.