Home / 31,179.04-43,013.37-18,596.50

Finding the Fourth Proportional to 31,179.04, 43,013.37 and 18,596.50

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Solution

The fourth proportional to 31,179.04, 43,013.37 and 18,596.50 is: 25,655.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.04 : 43,013.37 = 18,596.50 : x
  2. Step 2: Convert to fraction form
    31,179.04/43,013.37 = 18,596.50/x
  3. Step 3: Cross multiply
    31,179.04x = 43,013.37 × 18,596.50
  4. Step 4: Simplify right side
    31,179.04x = 799,898,135.21
  5. Step 5: Solve for x
    x = 799,898,135.21/31,179.04
  6. Step 6: Final answer
    x = 25,655.00

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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.