Home / 55,452.51-76,524.36-31,579.18

Finding the Fourth Proportional to 55,452.51, 76,524.36 and 31,579.18

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Solution

The fourth proportional to 55,452.51, 76,524.36 and 31,579.18 is: 43,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452.51 : 76,524.36 = 31,579.18 : x
  2. Step 2: Convert to fraction form
    55,452.51/76,524.36 = 31,579.18/x
  3. Step 3: Cross multiply
    55,452.51x = 76,524.36 × 31,579.18
  4. Step 4: Simplify right side
    55,452.51x = 2,416,576,538.82
  5. Step 5: Solve for x
    x = 2,416,576,538.82/55,452.51
  6. Step 6: Final answer
    x = 43,579.21

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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.