Home / 31,549.02-43,538.75-18,122.73

Finding the Fourth Proportional to 31,549.02, 43,538.75 and 18,122.73

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Solution

The fourth proportional to 31,549.02, 43,538.75 and 18,122.73 is: 25,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.02 : 43,538.75 = 18,122.73 : x
  2. Step 2: Convert to fraction form
    31,549.02/43,538.75 = 18,122.73/x
  3. Step 3: Cross multiply
    31,549.02x = 43,538.75 × 18,122.73
  4. Step 4: Simplify right side
    31,549.02x = 789,041,010.79
  5. Step 5: Solve for x
    x = 789,041,010.79/31,549.02
  6. Step 6: Final answer
    x = 25,010.00

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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.