Home / 31,203.92-43,083.96-19,283.60

Finding the Fourth Proportional to 31,203.92, 43,083.96 and 19,283.60

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Solution

The fourth proportional to 31,203.92, 43,083.96 and 19,283.60 is: 26,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.92 : 43,083.96 = 19,283.60 : x
  2. Step 2: Convert to fraction form
    31,203.92/43,083.96 = 19,283.60/x
  3. Step 3: Cross multiply
    31,203.92x = 43,083.96 × 19,283.60
  4. Step 4: Simplify right side
    31,203.92x = 830,813,851.06
  5. Step 5: Solve for x
    x = 830,813,851.06/31,203.92
  6. Step 6: Final answer
    x = 26,625.30

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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.