Home / 55,944.21-77,203.01-30,450.68

Finding the Fourth Proportional to 55,944.21, 77,203.01 and 30,450.68

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Solution

The fourth proportional to 55,944.21, 77,203.01 and 30,450.68 is: 42,021.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,944.21 : 77,203.01 = 30,450.68 : x
  2. Step 2: Convert to fraction form
    55,944.21/77,203.01 = 30,450.68/x
  3. Step 3: Cross multiply
    55,944.21x = 77,203.01 × 30,450.68
  4. Step 4: Simplify right side
    55,944.21x = 2,350,883,842.66
  5. Step 5: Solve for x
    x = 2,350,883,842.66/55,944.21
  6. Step 6: Final answer
    x = 42,021.93

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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.