Home / 53,043.78-79,549.40-17,498.54

Finding the Fourth Proportional to 53,043.78, 79,549.40 and 17,498.54

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Solution

The fourth proportional to 53,043.78, 79,549.40 and 17,498.54 is: 26,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.78 : 79,549.40 = 17,498.54 : x
  2. Step 2: Convert to fraction form
    53,043.78/79,549.40 = 17,498.54/x
  3. Step 3: Cross multiply
    53,043.78x = 79,549.40 × 17,498.54
  4. Step 4: Simplify right side
    53,043.78x = 1,391,998,357.88
  5. Step 5: Solve for x
    x = 1,391,998,357.88/53,043.78
  6. Step 6: Final answer
    x = 26,242.44

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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.