Home / 38,292.71-52,845.28-21,297.67

Finding the Fourth Proportional to 38,292.71, 52,845.28 and 21,297.67

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Solution

The fourth proportional to 38,292.71, 52,845.28 and 21,297.67 is: 29,391.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,292.71 : 52,845.28 = 21,297.67 : x
  2. Step 2: Convert to fraction form
    38,292.71/52,845.28 = 21,297.67/x
  3. Step 3: Cross multiply
    38,292.71x = 52,845.28 × 21,297.67
  4. Step 4: Simplify right side
    38,292.71x = 1,125,481,334.50
  5. Step 5: Solve for x
    x = 1,125,481,334.50/38,292.71
  6. Step 6: Final answer
    x = 29,391.53

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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.