Home / 55,235.12-76,224.60-30,084.80

Finding the Fourth Proportional to 55,235.12, 76,224.60 and 30,084.80

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Solution

The fourth proportional to 55,235.12, 76,224.60 and 30,084.80 is: 41,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.12 : 76,224.60 = 30,084.80 : x
  2. Step 2: Convert to fraction form
    55,235.12/76,224.60 = 30,084.80/x
  3. Step 3: Cross multiply
    55,235.12x = 76,224.60 × 30,084.80
  4. Step 4: Simplify right side
    55,235.12x = 2,293,201,846.08
  5. Step 5: Solve for x
    x = 2,293,201,846.08/55,235.12
  6. Step 6: Final answer
    x = 41,517.10

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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.