Home / 33,177.60-45,619.20-31,795.20

Finding the Fourth Proportional to 33,177.60, 45,619.20 and 31,795.20

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Solution

The fourth proportional to 33,177.60, 45,619.20 and 31,795.20 is: 43,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.60 : 45,619.20 = 31,795.20 : x
  2. Step 2: Convert to fraction form
    33,177.60/45,619.20 = 31,795.20/x
  3. Step 3: Cross multiply
    33,177.60x = 45,619.20 × 31,795.20
  4. Step 4: Simplify right side
    33,177.60x = 1,450,471,587.84
  5. Step 5: Solve for x
    x = 1,450,471,587.84/33,177.60
  6. Step 6: Final answer
    x = 43,718.40

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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.