Home / 33,995.72-50,985.88-12,928.25

Finding the Fourth Proportional to 33,995.72, 50,985.88 and 12,928.25

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Solution

The fourth proportional to 33,995.72, 50,985.88 and 12,928.25 is: 19,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,995.72 : 50,985.88 = 12,928.25 : x
  2. Step 2: Convert to fraction form
    33,995.72/50,985.88 = 12,928.25/x
  3. Step 3: Cross multiply
    33,995.72x = 50,985.88 × 12,928.25
  4. Step 4: Simplify right side
    33,995.72x = 659,158,203.11
  5. Step 5: Solve for x
    x = 659,158,203.11/33,995.72
  6. Step 6: Final answer
    x = 19,389.45

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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.