Home / 38,628.20-57,931.14-17,556.50

Finding the Fourth Proportional to 38,628.20, 57,931.14 and 17,556.50

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Solution

The fourth proportional to 38,628.20, 57,931.14 and 17,556.50 is: 26,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,628.20 : 57,931.14 = 17,556.50 : x
  2. Step 2: Convert to fraction form
    38,628.20/57,931.14 = 17,556.50/x
  3. Step 3: Cross multiply
    38,628.20x = 57,931.14 × 17,556.50
  4. Step 4: Simplify right side
    38,628.20x = 1,017,068,059.41
  5. Step 5: Solve for x
    x = 1,017,068,059.41/38,628.20
  6. Step 6: Final answer
    x = 26,329.68

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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.