Home / 31,533.68-43,516.31-17,386.54

Finding the Fourth Proportional to 31,533.68, 43,516.31 and 17,386.54

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Solution

The fourth proportional to 31,533.68, 43,516.31 and 17,386.54 is: 23,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.68 : 43,516.31 = 17,386.54 : x
  2. Step 2: Convert to fraction form
    31,533.68/43,516.31 = 17,386.54/x
  3. Step 3: Cross multiply
    31,533.68x = 43,516.31 × 17,386.54
  4. Step 4: Simplify right side
    31,533.68x = 756,597,868.74
  5. Step 5: Solve for x
    x = 756,597,868.74/31,533.68
  6. Step 6: Final answer
    x = 23,993.32

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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.