Home / 31,977.03-44,116.72-18,540.88

Finding the Fourth Proportional to 31,977.03, 44,116.72 and 18,540.88

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Solution

The fourth proportional to 31,977.03, 44,116.72 and 18,540.88 is: 25,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.03 : 44,116.72 = 18,540.88 : x
  2. Step 2: Convert to fraction form
    31,977.03/44,116.72 = 18,540.88/x
  3. Step 3: Cross multiply
    31,977.03x = 44,116.72 × 18,540.88
  4. Step 4: Simplify right side
    31,977.03x = 817,962,811.51
  5. Step 5: Solve for x
    x = 817,962,811.51/31,977.03
  6. Step 6: Final answer
    x = 25,579.70

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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.