Home / 30,392.38-41,960.75-20,848.26

Finding the Fourth Proportional to 30,392.38, 41,960.75 and 20,848.26

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Solution

The fourth proportional to 30,392.38, 41,960.75 and 20,848.26 is: 28,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,392.38 : 41,960.75 = 20,848.26 : x
  2. Step 2: Convert to fraction form
    30,392.38/41,960.75 = 20,848.26/x
  3. Step 3: Cross multiply
    30,392.38x = 41,960.75 × 20,848.26
  4. Step 4: Simplify right side
    30,392.38x = 874,808,625.80
  5. Step 5: Solve for x
    x = 874,808,625.80/30,392.38
  6. Step 6: Final answer
    x = 28,783.81

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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.