Home / 29,138.40-40,196.52-25,158.60

Finding the Fourth Proportional to 29,138.40, 40,196.52 and 25,158.60

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Solution

The fourth proportional to 29,138.40, 40,196.52 and 25,158.60 is: 34,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138.40 : 40,196.52 = 25,158.60 : x
  2. Step 2: Convert to fraction form
    29,138.40/40,196.52 = 25,158.60/x
  3. Step 3: Cross multiply
    29,138.40x = 40,196.52 × 25,158.60
  4. Step 4: Simplify right side
    29,138.40x = 1,011,288,168.07
  5. Step 5: Solve for x
    x = 1,011,288,168.07/29,138.40
  6. Step 6: Final answer
    x = 34,706.37

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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.