Home / 31,903.23-44,021.32-19,154.39

Finding the Fourth Proportional to 31,903.23, 44,021.32 and 19,154.39

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Solution

The fourth proportional to 31,903.23, 44,021.32 and 19,154.39 is: 26,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.23 : 44,021.32 = 19,154.39 : x
  2. Step 2: Convert to fraction form
    31,903.23/44,021.32 = 19,154.39/x
  3. Step 3: Cross multiply
    31,903.23x = 44,021.32 × 19,154.39
  4. Step 4: Simplify right side
    31,903.23x = 843,201,618.97
  5. Step 5: Solve for x
    x = 843,201,618.97/31,903.23
  6. Step 6: Final answer
    x = 26,429.97

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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.