Home / 31,623.75-43,641.18-17,477.91

Finding the Fourth Proportional to 31,623.75, 43,641.18 and 17,477.91

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Solution

The fourth proportional to 31,623.75, 43,641.18 and 17,477.91 is: 24,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,623.75 : 43,641.18 = 17,477.91 : x
  2. Step 2: Convert to fraction form
    31,623.75/43,641.18 = 17,477.91/x
  3. Step 3: Cross multiply
    31,623.75x = 43,641.18 × 17,477.91
  4. Step 4: Simplify right side
    31,623.75x = 762,756,616.33
  5. Step 5: Solve for x
    x = 762,756,616.33/31,623.75
  6. Step 6: Final answer
    x = 24,119.74

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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.