Home / 32,858.76-45,346.74-20,107.95

Finding the Fourth Proportional to 32,858.76, 45,346.74 and 20,107.95

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Solution

The fourth proportional to 32,858.76, 45,346.74 and 20,107.95 is: 27,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.76 : 45,346.74 = 20,107.95 : x
  2. Step 2: Convert to fraction form
    32,858.76/45,346.74 = 20,107.95/x
  3. Step 3: Cross multiply
    32,858.76x = 45,346.74 × 20,107.95
  4. Step 4: Simplify right side
    32,858.76x = 911,829,735.13
  5. Step 5: Solve for x
    x = 911,829,735.13/32,858.76
  6. Step 6: Final answer
    x = 27,749.97

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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.