Home / 31,185.08-43,037.16-17,038.16

Finding the Fourth Proportional to 31,185.08, 43,037.16 and 17,038.16

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Solution

The fourth proportional to 31,185.08, 43,037.16 and 17,038.16 is: 23,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.08 : 43,037.16 = 17,038.16 : x
  2. Step 2: Convert to fraction form
    31,185.08/43,037.16 = 17,038.16/x
  3. Step 3: Cross multiply
    31,185.08x = 43,037.16 × 17,038.16
  4. Step 4: Simplify right side
    31,185.08x = 733,274,018.03
  5. Step 5: Solve for x
    x = 733,274,018.03/31,185.08
  6. Step 6: Final answer
    x = 23,513.62

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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.