Home / 31,583.57-43,580.36-18,152.23

Finding the Fourth Proportional to 31,583.57, 43,580.36 and 18,152.23

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Solution

The fourth proportional to 31,583.57, 43,580.36 and 18,152.23 is: 25,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.57 : 43,580.36 = 18,152.23 : x
  2. Step 2: Convert to fraction form
    31,583.57/43,580.36 = 18,152.23/x
  3. Step 3: Cross multiply
    31,583.57x = 43,580.36 × 18,152.23
  4. Step 4: Simplify right side
    31,583.57x = 791,080,818.06
  5. Step 5: Solve for x
    x = 791,080,818.06/31,583.57
  6. Step 6: Final answer
    x = 25,047.23

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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.