Home / 55,536.75-76,640.72-30,386.25

Finding the Fourth Proportional to 55,536.75, 76,640.72 and 30,386.25

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Solution

The fourth proportional to 55,536.75, 76,640.72 and 30,386.25 is: 41,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.75 : 76,640.72 = 30,386.25 : x
  2. Step 2: Convert to fraction form
    55,536.75/76,640.72 = 30,386.25/x
  3. Step 3: Cross multiply
    55,536.75x = 76,640.72 × 30,386.25
  4. Step 4: Simplify right side
    55,536.75x = 2,328,823,926.17
  5. Step 5: Solve for x
    x = 2,328,823,926.17/55,536.75
  6. Step 6: Final answer
    x = 41,933.03

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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.