Home / 31,403.31-43,336.44-17,974.50

Finding the Fourth Proportional to 31,403.31, 43,336.44 and 17,974.50

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Solution

The fourth proportional to 31,403.31, 43,336.44 and 17,974.50 is: 24,804.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.31 : 43,336.44 = 17,974.50 : x
  2. Step 2: Convert to fraction form
    31,403.31/43,336.44 = 17,974.50/x
  3. Step 3: Cross multiply
    31,403.31x = 43,336.44 × 17,974.50
  4. Step 4: Simplify right side
    31,403.31x = 778,950,840.78
  5. Step 5: Solve for x
    x = 778,950,840.78/31,403.31
  6. Step 6: Final answer
    x = 24,804.74

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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.