Home / 55,448.16-76,518.41-30,297.66

Finding the Fourth Proportional to 55,448.16, 76,518.41 and 30,297.66

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Solution

The fourth proportional to 55,448.16, 76,518.41 and 30,297.66 is: 41,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.16 : 76,518.41 = 30,297.66 : x
  2. Step 2: Convert to fraction form
    55,448.16/76,518.41 = 30,297.66/x
  3. Step 3: Cross multiply
    55,448.16x = 76,518.41 × 30,297.66
  4. Step 4: Simplify right side
    55,448.16x = 2,318,328,618.43
  5. Step 5: Solve for x
    x = 2,318,328,618.43/55,448.16
  6. Step 6: Final answer
    x = 41,810.74

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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.