Home / 33,140.55-45,733.60-19,711.51

Finding the Fourth Proportional to 33,140.55, 45,733.60 and 19,711.51

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Solution

The fourth proportional to 33,140.55, 45,733.60 and 19,711.51 is: 27,201.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.55 : 45,733.60 = 19,711.51 : x
  2. Step 2: Convert to fraction form
    33,140.55/45,733.60 = 19,711.51/x
  3. Step 3: Cross multiply
    33,140.55x = 45,733.60 × 19,711.51
  4. Step 4: Simplify right side
    33,140.55x = 901,478,313.74
  5. Step 5: Solve for x
    x = 901,478,313.74/33,140.55
  6. Step 6: Final answer
    x = 27,201.67

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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.