Home / 29,439.21-40,627.18-16,866.39

Finding the Fourth Proportional to 29,439.21, 40,627.18 and 16,866.39

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Solution

The fourth proportional to 29,439.21, 40,627.18 and 16,866.39 is: 23,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,439.21 : 40,627.18 = 16,866.39 : x
  2. Step 2: Convert to fraction form
    29,439.21/40,627.18 = 16,866.39/x
  3. Step 3: Cross multiply
    29,439.21x = 40,627.18 × 16,866.39
  4. Step 4: Simplify right side
    29,439.21x = 685,233,862.48
  5. Step 5: Solve for x
    x = 685,233,862.48/29,439.21
  6. Step 6: Final answer
    x = 23,276.23

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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.