Home / 34,653.41-47,833.62-20,317.86

Finding the Fourth Proportional to 34,653.41, 47,833.62 and 20,317.86

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Solution

The fourth proportional to 34,653.41, 47,833.62 and 20,317.86 is: 28,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653.41 : 47,833.62 = 20,317.86 : x
  2. Step 2: Convert to fraction form
    34,653.41/47,833.62 = 20,317.86/x
  3. Step 3: Cross multiply
    34,653.41x = 47,833.62 × 20,317.86
  4. Step 4: Simplify right side
    34,653.41x = 971,876,794.45
  5. Step 5: Solve for x
    x = 971,876,794.45/34,653.41
  6. Step 6: Final answer
    x = 28,045.64

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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.