Home / 31,970.16-44,116.92-18,540.36

Finding the Fourth Proportional to 31,970.16, 44,116.92 and 18,540.36

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Solution

The fourth proportional to 31,970.16, 44,116.92 and 18,540.36 is: 25,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.16 : 44,116.92 = 18,540.36 : x
  2. Step 2: Convert to fraction form
    31,970.16/44,116.92 = 18,540.36/x
  3. Step 3: Cross multiply
    31,970.16x = 44,116.92 × 18,540.36
  4. Step 4: Simplify right side
    31,970.16x = 817,943,578.89
  5. Step 5: Solve for x
    x = 817,943,578.89/31,970.16
  6. Step 6: Final answer
    x = 25,584.59

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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.