Home / 35,026.80-52,540.20-31,801.20

Finding the Fourth Proportional to 35,026.80, 52,540.20 and 31,801.20

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Solution

The fourth proportional to 35,026.80, 52,540.20 and 31,801.20 is: 47,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,026.80 : 52,540.20 = 31,801.20 : x
  2. Step 2: Convert to fraction form
    35,026.80/52,540.20 = 31,801.20/x
  3. Step 3: Cross multiply
    35,026.80x = 52,540.20 × 31,801.20
  4. Step 4: Simplify right side
    35,026.80x = 1,670,841,408.24
  5. Step 5: Solve for x
    x = 1,670,841,408.24/35,026.80
  6. Step 6: Final answer
    x = 47,701.80

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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.