Home / 55,236.10-76,225.78-30,085.60

Finding the Fourth Proportional to 55,236.10, 76,225.78 and 30,085.60

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Solution

The fourth proportional to 55,236.10, 76,225.78 and 30,085.60 is: 41,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.10 : 76,225.78 = 30,085.60 : x
  2. Step 2: Convert to fraction form
    55,236.10/76,225.78 = 30,085.60/x
  3. Step 3: Cross multiply
    55,236.10x = 76,225.78 × 30,085.60
  4. Step 4: Simplify right side
    55,236.10x = 2,293,298,326.77
  5. Step 5: Solve for x
    x = 2,293,298,326.77/55,236.10
  6. Step 6: Final answer
    x = 41,518.11

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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.