Home / 42,540.51-63,699.28-29,992.60

Finding the Fourth Proportional to 42,540.51, 63,699.28 and 29,992.60

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Solution

The fourth proportional to 42,540.51, 63,699.28 and 29,992.60 is: 44,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,540.51 : 63,699.28 = 29,992.60 : x
  2. Step 2: Convert to fraction form
    42,540.51/63,699.28 = 29,992.60/x
  3. Step 3: Cross multiply
    42,540.51x = 63,699.28 × 29,992.60
  4. Step 4: Simplify right side
    42,540.51x = 1,910,507,025.33
  5. Step 5: Solve for x
    x = 1,910,507,025.33/42,540.51
  6. Step 6: Final answer
    x = 44,910.30

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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.