Home / 33,427.31-46,127.88-18,320.00

Finding the Fourth Proportional to 33,427.31, 46,127.88 and 18,320.00

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Solution

The fourth proportional to 33,427.31, 46,127.88 and 18,320.00 is: 25,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,427.31 : 46,127.88 = 18,320.00 : x
  2. Step 2: Convert to fraction form
    33,427.31/46,127.88 = 18,320.00/x
  3. Step 3: Cross multiply
    33,427.31x = 46,127.88 × 18,320.00
  4. Step 4: Simplify right side
    33,427.31x = 845,062,530.96
  5. Step 5: Solve for x
    x = 845,062,530.96/33,427.31
  6. Step 6: Final answer
    x = 25,280.61

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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.