Home / 31,623.54-43,640.40-17,476.35

Finding the Fourth Proportional to 31,623.54, 43,640.40 and 17,476.35

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Solution

The fourth proportional to 31,623.54, 43,640.40 and 17,476.35 is: 24,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.54 : 43,640.40 = 17,476.35 : x
  2. Step 2: Convert to fraction form
    31,623.54/43,640.40 = 17,476.35/x
  3. Step 3: Cross multiply
    31,623.54x = 43,640.40 × 17,476.35
  4. Step 4: Simplify right side
    31,623.54x = 762,674,904.54
  5. Step 5: Solve for x
    x = 762,674,904.54/31,623.54
  6. Step 6: Final answer
    x = 24,117.32

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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.