Home / 42,218.58-63,272.91-17,229.30

Finding the Fourth Proportional to 42,218.58, 63,272.91 and 17,229.30

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Solution

The fourth proportional to 42,218.58, 63,272.91 and 17,229.30 is: 25,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218.58 : 63,272.91 = 17,229.30 : x
  2. Step 2: Convert to fraction form
    42,218.58/63,272.91 = 17,229.30/x
  3. Step 3: Cross multiply
    42,218.58x = 63,272.91 × 17,229.30
  4. Step 4: Simplify right side
    42,218.58x = 1,090,147,948.26
  5. Step 5: Solve for x
    x = 1,090,147,948.26/42,218.58
  6. Step 6: Final answer
    x = 25,821.52

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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.