Home / 51,370.01-70,890.37-28,708.99

Finding the Fourth Proportional to 51,370.01, 70,890.37 and 28,708.99

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Solution

The fourth proportional to 51,370.01, 70,890.37 and 28,708.99 is: 39,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,370.01 : 70,890.37 = 28,708.99 : x
  2. Step 2: Convert to fraction form
    51,370.01/70,890.37 = 28,708.99/x
  3. Step 3: Cross multiply
    51,370.01x = 70,890.37 × 28,708.99
  4. Step 4: Simplify right side
    51,370.01x = 2,035,190,923.43
  5. Step 5: Solve for x
    x = 2,035,190,923.43/51,370.01
  6. Step 6: Final answer
    x = 39,618.27

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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.