Home / 34,258.34-47,284.14-20,826.75

Finding the Fourth Proportional to 34,258.34, 47,284.14 and 20,826.75

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Solution

The fourth proportional to 34,258.34, 47,284.14 and 20,826.75 is: 28,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,258.34 : 47,284.14 = 20,826.75 : x
  2. Step 2: Convert to fraction form
    34,258.34/47,284.14 = 20,826.75/x
  3. Step 3: Cross multiply
    34,258.34x = 47,284.14 × 20,826.75
  4. Step 4: Simplify right side
    34,258.34x = 984,774,962.75
  5. Step 5: Solve for x
    x = 984,774,962.75/34,258.34
  6. Step 6: Final answer
    x = 28,745.55

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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.