Home / 31,629-43,648.02-19,056.36

Finding the Fourth Proportional to 31,629, 43,648.02 and 19,056.36

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Solution

The fourth proportional to 31,629, 43,648.02 and 19,056.36 is: 26,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629 : 43,648.02 = 19,056.36 : x
  2. Step 2: Convert to fraction form
    31,629/43,648.02 = 19,056.36/x
  3. Step 3: Cross multiply
    31,629x = 43,648.02 × 19,056.36
  4. Step 4: Simplify right side
    31,629x = 831,772,382.41
  5. Step 5: Solve for x
    x = 831,772,382.41/31,629
  6. Step 6: Final answer
    x = 26,297.78

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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.