Home / 29,430.56-40,625.96-18,104.60

Finding the Fourth Proportional to 29,430.56, 40,625.96 and 18,104.60

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Solution

The fourth proportional to 29,430.56, 40,625.96 and 18,104.60 is: 24,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.56 : 40,625.96 = 18,104.60 : x
  2. Step 2: Convert to fraction form
    29,430.56/40,625.96 = 18,104.60/x
  3. Step 3: Cross multiply
    29,430.56x = 40,625.96 × 18,104.60
  4. Step 4: Simplify right side
    29,430.56x = 735,516,766.46
  5. Step 5: Solve for x
    x = 735,516,766.46/29,430.56
  6. Step 6: Final answer
    x = 24,991.60

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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.