Home / 47,147.05-65,063.06-25,636.80

Finding the Fourth Proportional to 47,147.05, 65,063.06 and 25,636.80

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Solution

The fourth proportional to 47,147.05, 65,063.06 and 25,636.80 is: 35,378.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,147.05 : 65,063.06 = 25,636.80 : x
  2. Step 2: Convert to fraction form
    47,147.05/65,063.06 = 25,636.80/x
  3. Step 3: Cross multiply
    47,147.05x = 65,063.06 × 25,636.80
  4. Step 4: Simplify right side
    47,147.05x = 1,668,008,528.42
  5. Step 5: Solve for x
    x = 1,668,008,528.42/47,147.05
  6. Step 6: Final answer
    x = 35,378.86

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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.