Home / 55,245.19-76,236.35-33,770.90

Finding the Fourth Proportional to 55,245.19, 76,236.35 and 33,770.90

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Solution

The fourth proportional to 55,245.19, 76,236.35 and 33,770.90 is: 46,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.19 : 76,236.35 = 33,770.90 : x
  2. Step 2: Convert to fraction form
    55,245.19/76,236.35 = 33,770.90/x
  3. Step 3: Cross multiply
    55,245.19x = 76,236.35 × 33,770.90
  4. Step 4: Simplify right side
    55,245.19x = 2,574,570,300.59
  5. Step 5: Solve for x
    x = 2,574,570,300.59/55,245.19
  6. Step 6: Final answer
    x = 46,602.61

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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.