Home / 55,321.00-76,342.84-30,170.50

Finding the Fourth Proportional to 55,321.00, 76,342.84 and 30,170.50

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Solution

The fourth proportional to 55,321.00, 76,342.84 and 30,170.50 is: 41,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,321.00 : 76,342.84 = 30,170.50 : x
  2. Step 2: Convert to fraction form
    55,321.00/76,342.84 = 30,170.50/x
  3. Step 3: Cross multiply
    55,321.00x = 76,342.84 × 30,170.50
  4. Step 4: Simplify right side
    55,321.00x = 2,303,301,387.94
  5. Step 5: Solve for x
    x = 2,303,301,387.94/55,321.00
  6. Step 6: Final answer
    x = 41,635.21

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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.