Home / 31,995.33-44,167.71-20,670.36

Finding the Fourth Proportional to 31,995.33, 44,167.71 and 20,670.36

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Solution

The fourth proportional to 31,995.33, 44,167.71 and 20,670.36 is: 28,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.33 : 44,167.71 = 20,670.36 : x
  2. Step 2: Convert to fraction form
    31,995.33/44,167.71 = 20,670.36/x
  3. Step 3: Cross multiply
    31,995.33x = 44,167.71 × 20,670.36
  4. Step 4: Simplify right side
    31,995.33x = 912,962,466.08
  5. Step 5: Solve for x
    x = 912,962,466.08/31,995.33
  6. Step 6: Final answer
    x = 28,534.24

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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.