Home / 31,533.59-43,516.14-17,386.43

Finding the Fourth Proportional to 31,533.59, 43,516.14 and 17,386.43

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Solution

The fourth proportional to 31,533.59, 43,516.14 and 17,386.43 is: 23,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.59 : 43,516.14 = 17,386.43 : x
  2. Step 2: Convert to fraction form
    31,533.59/43,516.14 = 17,386.43/x
  3. Step 3: Cross multiply
    31,533.59x = 43,516.14 × 17,386.43
  4. Step 4: Simplify right side
    31,533.59x = 756,590,321.98
  5. Step 5: Solve for x
    x = 756,590,321.98/31,533.59
  6. Step 6: Final answer
    x = 23,993.16

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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.