Home / 30,961.92-46,434.60-13,427.64

Finding the Fourth Proportional to 30,961.92, 46,434.60 and 13,427.64

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Solution

The fourth proportional to 30,961.92, 46,434.60 and 13,427.64 is: 20,137.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.92 : 46,434.60 = 13,427.64 : x
  2. Step 2: Convert to fraction form
    30,961.92/46,434.60 = 13,427.64/x
  3. Step 3: Cross multiply
    30,961.92x = 46,434.60 × 13,427.64
  4. Step 4: Simplify right side
    30,961.92x = 623,507,092.34
  5. Step 5: Solve for x
    x = 623,507,092.34/30,961.92
  6. Step 6: Final answer
    x = 20,137.87

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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.