Home / 29,682.18-40,950.23-19,478.88

Finding the Fourth Proportional to 29,682.18, 40,950.23 and 19,478.88

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Solution

The fourth proportional to 29,682.18, 40,950.23 and 19,478.88 is: 26,873.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,682.18 : 40,950.23 = 19,478.88 : x
  2. Step 2: Convert to fraction form
    29,682.18/40,950.23 = 19,478.88/x
  3. Step 3: Cross multiply
    29,682.18x = 40,950.23 × 19,478.88
  4. Step 4: Simplify right side
    29,682.18x = 797,664,518.75
  5. Step 5: Solve for x
    x = 797,664,518.75/29,682.18
  6. Step 6: Final answer
    x = 26,873.52

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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.