Home / 31,803.60-43,870.50-26,791.32

Finding the Fourth Proportional to 31,803.60, 43,870.50 and 26,791.32

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Solution

The fourth proportional to 31,803.60, 43,870.50 and 26,791.32 is: 36,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,803.60 : 43,870.50 = 26,791.32 : x
  2. Step 2: Convert to fraction form
    31,803.60/43,870.50 = 26,791.32/x
  3. Step 3: Cross multiply
    31,803.60x = 43,870.50 × 26,791.32
  4. Step 4: Simplify right side
    31,803.60x = 1,175,348,604.06
  5. Step 5: Solve for x
    x = 1,175,348,604.06/31,803.60
  6. Step 6: Final answer
    x = 36,956.46

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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.