Home / 55,406.48-76,461.36-30,256.64

Finding the Fourth Proportional to 55,406.48, 76,461.36 and 30,256.64

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Solution

The fourth proportional to 55,406.48, 76,461.36 and 30,256.64 is: 41,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,406.48 : 76,461.36 = 30,256.64 : x
  2. Step 2: Convert to fraction form
    55,406.48/76,461.36 = 30,256.64/x
  3. Step 3: Cross multiply
    55,406.48x = 76,461.36 × 30,256.64
  4. Step 4: Simplify right side
    55,406.48x = 2,313,463,843.43
  5. Step 5: Solve for x
    x = 2,313,463,843.43/55,406.48
  6. Step 6: Final answer
    x = 41,754.39

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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.