Home / 20,037.35-30,054.59-6,889.43

Finding the Fourth Proportional to 20,037.35, 30,054.59 and 6,889.43

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Solution

The fourth proportional to 20,037.35, 30,054.59 and 6,889.43 is: 10,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,037.35 : 30,054.59 = 6,889.43 : x
  2. Step 2: Convert to fraction form
    20,037.35/30,054.59 = 6,889.43/x
  3. Step 3: Cross multiply
    20,037.35x = 30,054.59 × 6,889.43
  4. Step 4: Simplify right side
    20,037.35x = 207,058,809.26
  5. Step 5: Solve for x
    x = 207,058,809.26/20,037.35
  6. Step 6: Final answer
    x = 10,333.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.