Home / 33,427.30-46,129.80-19,280.20

Finding the Fourth Proportional to 33,427.30, 46,129.80 and 19,280.20

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Solution

The fourth proportional to 33,427.30, 46,129.80 and 19,280.20 is: 26,606.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.30 : 46,129.80 = 19,280.20 : x
  2. Step 2: Convert to fraction form
    33,427.30/46,129.80 = 19,280.20/x
  3. Step 3: Cross multiply
    33,427.30x = 46,129.80 × 19,280.20
  4. Step 4: Simplify right side
    33,427.30x = 889,391,769.96
  5. Step 5: Solve for x
    x = 889,391,769.96/33,427.30
  6. Step 6: Final answer
    x = 26,606.75

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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.