Home / 35,549.20-53,296.80-18,031.60

Finding the Fourth Proportional to 35,549.20, 53,296.80 and 18,031.60

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Solution

The fourth proportional to 35,549.20, 53,296.80 and 18,031.60 is: 27,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,549.20 : 53,296.80 = 18,031.60 : x
  2. Step 2: Convert to fraction form
    35,549.20/53,296.80 = 18,031.60/x
  3. Step 3: Cross multiply
    35,549.20x = 53,296.80 × 18,031.60
  4. Step 4: Simplify right side
    35,549.20x = 961,026,578.88
  5. Step 5: Solve for x
    x = 961,026,578.88/35,549.20
  6. Step 6: Final answer
    x = 27,033.70

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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.