Home / 33,247.76-45,880.91-18,140.72

Finding the Fourth Proportional to 33,247.76, 45,880.91 and 18,140.72

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Solution

The fourth proportional to 33,247.76, 45,880.91 and 18,140.72 is: 25,033.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,247.76 : 45,880.91 = 18,140.72 : x
  2. Step 2: Convert to fraction form
    33,247.76/45,880.91 = 18,140.72/x
  3. Step 3: Cross multiply
    33,247.76x = 45,880.91 × 18,140.72
  4. Step 4: Simplify right side
    33,247.76x = 832,312,741.66
  5. Step 5: Solve for x
    x = 832,312,741.66/33,247.76
  6. Step 6: Final answer
    x = 25,033.65

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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.