Home / 31,374.83-43,297.51-17,945.28

Finding the Fourth Proportional to 31,374.83, 43,297.51 and 17,945.28

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Solution

The fourth proportional to 31,374.83, 43,297.51 and 17,945.28 is: 24,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.83 : 43,297.51 = 17,945.28 : x
  2. Step 2: Convert to fraction form
    31,374.83/43,297.51 = 17,945.28/x
  3. Step 3: Cross multiply
    31,374.83x = 43,297.51 × 17,945.28
  4. Step 4: Simplify right side
    31,374.83x = 776,985,940.25
  5. Step 5: Solve for x
    x = 776,985,940.25/31,374.83
  6. Step 6: Final answer
    x = 24,764.63

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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.