Home / 47,036.58-70,561.44-13,759.13

Finding the Fourth Proportional to 47,036.58, 70,561.44 and 13,759.13

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Solution

The fourth proportional to 47,036.58, 70,561.44 and 13,759.13 is: 20,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,036.58 : 70,561.44 = 13,759.13 : x
  2. Step 2: Convert to fraction form
    47,036.58/70,561.44 = 13,759.13/x
  3. Step 3: Cross multiply
    47,036.58x = 70,561.44 × 13,759.13
  4. Step 4: Simplify right side
    47,036.58x = 970,863,673.14
  5. Step 5: Solve for x
    x = 970,863,673.14/47,036.58
  6. Step 6: Final answer
    x = 20,640.61

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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.