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Finding the Fourth Proportional to 29,584.60, 40,803.60 and 18,975.20

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Solution

The fourth proportional to 29,584.60, 40,803.60 and 18,975.20 is: 26,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,584.60 : 40,803.60 = 18,975.20 : x
  2. Step 2: Convert to fraction form
    29,584.60/40,803.60 = 18,975.20/x
  3. Step 3: Cross multiply
    29,584.60x = 40,803.60 × 18,975.20
  4. Step 4: Simplify right side
    29,584.60x = 774,256,470.72
  5. Step 5: Solve for x
    x = 774,256,470.72/29,584.60
  6. Step 6: Final answer
    x = 26,170.93

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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.