Home / 53,220.58-79,820.57-17,676.36

Finding the Fourth Proportional to 53,220.58, 79,820.57 and 17,676.36

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Solution

The fourth proportional to 53,220.58, 79,820.57 and 17,676.36 is: 26,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.58 : 79,820.57 = 17,676.36 : x
  2. Step 2: Convert to fraction form
    53,220.58/79,820.57 = 17,676.36/x
  3. Step 3: Cross multiply
    53,220.58x = 79,820.57 × 17,676.36
  4. Step 4: Simplify right side
    53,220.58x = 1,410,937,174.92
  5. Step 5: Solve for x
    x = 1,410,937,174.92/53,220.58
  6. Step 6: Final answer
    x = 26,511.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.