Home / 29,261.72-40,354.61-19,693.60

Finding the Fourth Proportional to 29,261.72, 40,354.61 and 19,693.60

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Solution

The fourth proportional to 29,261.72, 40,354.61 and 19,693.60 is: 27,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,261.72 : 40,354.61 = 19,693.60 : x
  2. Step 2: Convert to fraction form
    29,261.72/40,354.61 = 19,693.60/x
  3. Step 3: Cross multiply
    29,261.72x = 40,354.61 × 19,693.60
  4. Step 4: Simplify right side
    29,261.72x = 794,727,348.14
  5. Step 5: Solve for x
    x = 794,727,348.14/29,261.72
  6. Step 6: Final answer
    x = 27,159.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.