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Finding the Fourth Proportional to 29,421.20, 44,218.20 and 25,619.60

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Solution

The fourth proportional to 29,421.20, 44,218.20 and 25,619.60 is: 38,504.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,421.20 : 44,218.20 = 25,619.60 : x
  2. Step 2: Convert to fraction form
    29,421.20/44,218.20 = 25,619.60/x
  3. Step 3: Cross multiply
    29,421.20x = 44,218.20 × 25,619.60
  4. Step 4: Simplify right side
    29,421.20x = 1,132,852,596.72
  5. Step 5: Solve for x
    x = 1,132,852,596.72/29,421.20
  6. Step 6: Final answer
    x = 38,504.64

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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.