Home / 55,486.14-76,570.86-30,335.64

Finding the Fourth Proportional to 55,486.14, 76,570.86 and 30,335.64

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Solution

The fourth proportional to 55,486.14, 76,570.86 and 30,335.64 is: 41,863.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.14 : 76,570.86 = 30,335.64 : x
  2. Step 2: Convert to fraction form
    55,486.14/76,570.86 = 30,335.64/x
  3. Step 3: Cross multiply
    55,486.14x = 76,570.86 × 30,335.64
  4. Step 4: Simplify right side
    55,486.14x = 2,322,826,043.45
  5. Step 5: Solve for x
    x = 2,322,826,043.45/55,486.14
  6. Step 6: Final answer
    x = 41,863.18

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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.