Home / 51,074.51-70,481.16-28,412.87

Finding the Fourth Proportional to 51,074.51, 70,481.16 and 28,412.87

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Solution

The fourth proportional to 51,074.51, 70,481.16 and 28,412.87 is: 39,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.51 : 70,481.16 = 28,412.87 : x
  2. Step 2: Convert to fraction form
    51,074.51/70,481.16 = 28,412.87/x
  3. Step 3: Cross multiply
    51,074.51x = 70,481.16 × 28,412.87
  4. Step 4: Simplify right side
    51,074.51x = 2,002,571,684.12
  5. Step 5: Solve for x
    x = 2,002,571,684.12/51,074.51
  6. Step 6: Final answer
    x = 39,208.83

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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.