Home / 31,793.02-43,864.22-18,362.50

Finding the Fourth Proportional to 31,793.02, 43,864.22 and 18,362.50

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Solution

The fourth proportional to 31,793.02, 43,864.22 and 18,362.50 is: 25,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,793.02 : 43,864.22 = 18,362.50 : x
  2. Step 2: Convert to fraction form
    31,793.02/43,864.22 = 18,362.50/x
  3. Step 3: Cross multiply
    31,793.02x = 43,864.22 × 18,362.50
  4. Step 4: Simplify right side
    31,793.02x = 805,456,739.75
  5. Step 5: Solve for x
    x = 805,456,739.75/31,793.02
  6. Step 6: Final answer
    x = 25,334.39

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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.