Home / 47,519.07-65,569.25-28,861.47

Finding the Fourth Proportional to 47,519.07, 65,569.25 and 28,861.47

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Solution

The fourth proportional to 47,519.07, 65,569.25 and 28,861.47 is: 39,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,519.07 : 65,569.25 = 28,861.47 : x
  2. Step 2: Convert to fraction form
    47,519.07/65,569.25 = 28,861.47/x
  3. Step 3: Cross multiply
    47,519.07x = 65,569.25 × 28,861.47
  4. Step 4: Simplify right side
    47,519.07x = 1,892,425,013.95
  5. Step 5: Solve for x
    x = 1,892,425,013.95/47,519.07
  6. Step 6: Final answer
    x = 39,824.54

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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.