Home / 31,891.08-44,009.01-18,462.90

Finding the Fourth Proportional to 31,891.08, 44,009.01 and 18,462.90

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Solution

The fourth proportional to 31,891.08, 44,009.01 and 18,462.90 is: 25,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,891.08 : 44,009.01 = 18,462.90 : x
  2. Step 2: Convert to fraction form
    31,891.08/44,009.01 = 18,462.90/x
  3. Step 3: Cross multiply
    31,891.08x = 44,009.01 × 18,462.90
  4. Step 4: Simplify right side
    31,891.08x = 812,533,950.73
  5. Step 5: Solve for x
    x = 812,533,950.73/31,891.08
  6. Step 6: Final answer
    x = 25,478.41

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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.