Home / 29,615.44-40,849.96-18,988.24

Finding the Fourth Proportional to 29,615.44, 40,849.96 and 18,988.24

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Solution

The fourth proportional to 29,615.44, 40,849.96 and 18,988.24 is: 26,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.44 : 40,849.96 = 18,988.24 : x
  2. Step 2: Convert to fraction form
    29,615.44/40,849.96 = 18,988.24/x
  3. Step 3: Cross multiply
    29,615.44x = 40,849.96 × 18,988.24
  4. Step 4: Simplify right side
    29,615.44x = 775,668,844.47
  5. Step 5: Solve for x
    x = 775,668,844.47/29,615.44
  6. Step 6: Final answer
    x = 26,191.37

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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.