Home / 35,880.66-49,516.20-19,966.68

Finding the Fourth Proportional to 35,880.66, 49,516.20 and 19,966.68

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Solution

The fourth proportional to 35,880.66, 49,516.20 and 19,966.68 is: 27,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.66 : 49,516.20 = 19,966.68 : x
  2. Step 2: Convert to fraction form
    35,880.66/49,516.20 = 19,966.68/x
  3. Step 3: Cross multiply
    35,880.66x = 49,516.20 × 19,966.68
  4. Step 4: Simplify right side
    35,880.66x = 988,674,120.22
  5. Step 5: Solve for x
    x = 988,674,120.22/35,880.66
  6. Step 6: Final answer
    x = 27,554.51

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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.