Home / 51,365.26-70,882.45-30,144.07

Finding the Fourth Proportional to 51,365.26, 70,882.45 and 30,144.07

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Solution

The fourth proportional to 51,365.26, 70,882.45 and 30,144.07 is: 41,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.26 : 70,882.45 = 30,144.07 : x
  2. Step 2: Convert to fraction form
    51,365.26/70,882.45 = 30,144.07/x
  3. Step 3: Cross multiply
    51,365.26x = 70,882.45 × 30,144.07
  4. Step 4: Simplify right side
    51,365.26x = 2,136,685,534.57
  5. Step 5: Solve for x
    x = 2,136,685,534.57/51,365.26
  6. Step 6: Final answer
    x = 41,597.87

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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.