Home / 31,271.01-43,152.39-17,121.12

Finding the Fourth Proportional to 31,271.01, 43,152.39 and 17,121.12

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Solution

The fourth proportional to 31,271.01, 43,152.39 and 17,121.12 is: 23,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,271.01 : 43,152.39 = 17,121.12 : x
  2. Step 2: Convert to fraction form
    31,271.01/43,152.39 = 17,121.12/x
  3. Step 3: Cross multiply
    31,271.01x = 43,152.39 × 17,121.12
  4. Step 4: Simplify right side
    31,271.01x = 738,817,247.48
  5. Step 5: Solve for x
    x = 738,817,247.48/31,271.01
  6. Step 6: Final answer
    x = 23,626.27

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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.