Home / 33,140.30-45,733.25-19,711.26

Finding the Fourth Proportional to 33,140.30, 45,733.25 and 19,711.26

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Solution

The fourth proportional to 33,140.30, 45,733.25 and 19,711.26 is: 27,201.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.30 : 45,733.25 = 19,711.26 : x
  2. Step 2: Convert to fraction form
    33,140.30/45,733.25 = 19,711.26/x
  3. Step 3: Cross multiply
    33,140.30x = 45,733.25 × 19,711.26
  4. Step 4: Simplify right side
    33,140.30x = 901,460,030.67
  5. Step 5: Solve for x
    x = 901,460,030.67/33,140.30
  6. Step 6: Final answer
    x = 27,201.32

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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.