Home / 31,365.12-47,089.38-18,226.92

Finding the Fourth Proportional to 31,365.12, 47,089.38 and 18,226.92

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Solution

The fourth proportional to 31,365.12, 47,089.38 and 18,226.92 is: 27,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,365.12 : 47,089.38 = 18,226.92 : x
  2. Step 2: Convert to fraction form
    31,365.12/47,089.38 = 18,226.92/x
  3. Step 3: Cross multiply
    31,365.12x = 47,089.38 × 18,226.92
  4. Step 4: Simplify right side
    31,365.12x = 858,294,362.11
  5. Step 5: Solve for x
    x = 858,294,362.11/31,365.12
  6. Step 6: Final answer
    x = 27,364.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.