Home / 39,568.06-54,604.56-21,662.76

Finding the Fourth Proportional to 39,568.06, 54,604.56 and 21,662.76

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Solution

The fourth proportional to 39,568.06, 54,604.56 and 21,662.76 is: 29,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,568.06 : 54,604.56 = 21,662.76 : x
  2. Step 2: Convert to fraction form
    39,568.06/54,604.56 = 21,662.76/x
  3. Step 3: Cross multiply
    39,568.06x = 54,604.56 × 21,662.76
  4. Step 4: Simplify right side
    39,568.06x = 1,182,885,478.19
  5. Step 5: Solve for x
    x = 1,182,885,478.19/39,568.06
  6. Step 6: Final answer
    x = 29,894.96

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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.