Home / 55,235.72-76,225.38-30,085.32

Finding the Fourth Proportional to 55,235.72, 76,225.38 and 30,085.32

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Solution

The fourth proportional to 55,235.72, 76,225.38 and 30,085.32 is: 41,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,235.72 : 76,225.38 = 30,085.32 : x
  2. Step 2: Convert to fraction form
    55,235.72/76,225.38 = 30,085.32/x
  3. Step 3: Cross multiply
    55,235.72x = 76,225.38 × 30,085.32
  4. Step 4: Simplify right side
    55,235.72x = 2,293,264,949.42
  5. Step 5: Solve for x
    x = 2,293,264,949.42/55,235.72
  6. Step 6: Final answer
    x = 41,517.79

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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.