Home / 38,319.81-57,512.52-21,696.18

Finding the Fourth Proportional to 38,319.81, 57,512.52 and 21,696.18

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Solution

The fourth proportional to 38,319.81, 57,512.52 and 21,696.18 is: 32,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,319.81 : 57,512.52 = 21,696.18 : x
  2. Step 2: Convert to fraction form
    38,319.81/57,512.52 = 21,696.18/x
  3. Step 3: Cross multiply
    38,319.81x = 57,512.52 × 21,696.18
  4. Step 4: Simplify right side
    38,319.81x = 1,247,801,986.17
  5. Step 5: Solve for x
    x = 1,247,801,986.17/38,319.81
  6. Step 6: Final answer
    x = 32,562.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.