Home / 31,357.16-43,273.44-17,211.32

Finding the Fourth Proportional to 31,357.16, 43,273.44 and 17,211.32

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Solution

The fourth proportional to 31,357.16, 43,273.44 and 17,211.32 is: 23,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,357.16 : 43,273.44 = 17,211.32 : x
  2. Step 2: Convert to fraction form
    31,357.16/43,273.44 = 17,211.32/x
  3. Step 3: Cross multiply
    31,357.16x = 43,273.44 × 17,211.32
  4. Step 4: Simplify right side
    31,357.16x = 744,793,023.34
  5. Step 5: Solve for x
    x = 744,793,023.34/31,357.16
  6. Step 6: Final answer
    x = 23,751.93

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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.