Home / 31,795.46-43,872.63-18,364.23

Finding the Fourth Proportional to 31,795.46, 43,872.63 and 18,364.23

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Solution

The fourth proportional to 31,795.46, 43,872.63 and 18,364.23 is: 25,339.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.46 : 43,872.63 = 18,364.23 : x
  2. Step 2: Convert to fraction form
    31,795.46/43,872.63 = 18,364.23/x
  3. Step 3: Cross multiply
    31,795.46x = 43,872.63 × 18,364.23
  4. Step 4: Simplify right side
    31,795.46x = 805,687,068.02
  5. Step 5: Solve for x
    x = 805,687,068.02/31,795.46
  6. Step 6: Final answer
    x = 25,339.69

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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.