Home / 31,235.75-43,105.95-17,088.89

Finding the Fourth Proportional to 31,235.75, 43,105.95 and 17,088.89

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Solution

The fourth proportional to 31,235.75, 43,105.95 and 17,088.89 is: 23,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.75 : 43,105.95 = 17,088.89 : x
  2. Step 2: Convert to fraction form
    31,235.75/43,105.95 = 17,088.89/x
  3. Step 3: Cross multiply
    31,235.75x = 43,105.95 × 17,088.89
  4. Step 4: Simplify right side
    31,235.75x = 736,632,945.66
  5. Step 5: Solve for x
    x = 736,632,945.66/31,235.75
  6. Step 6: Final answer
    x = 23,583.01

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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.