Home / 26,234.40-39,351.60-21,050.40

Finding the Fourth Proportional to 26,234.40, 39,351.60 and 21,050.40

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Solution

The fourth proportional to 26,234.40, 39,351.60 and 21,050.40 is: 31,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,234.40 : 39,351.60 = 21,050.40 : x
  2. Step 2: Convert to fraction form
    26,234.40/39,351.60 = 21,050.40/x
  3. Step 3: Cross multiply
    26,234.40x = 39,351.60 × 21,050.40
  4. Step 4: Simplify right side
    26,234.40x = 828,366,920.64
  5. Step 5: Solve for x
    x = 828,366,920.64/26,234.40
  6. Step 6: Final answer
    x = 31,575.60

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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.