Home / 29,145.42-40,234.32-19,074.29

Finding the Fourth Proportional to 29,145.42, 40,234.32 and 19,074.29

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Solution

The fourth proportional to 29,145.42, 40,234.32 and 19,074.29 is: 26,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.42 : 40,234.32 = 19,074.29 : x
  2. Step 2: Convert to fraction form
    29,145.42/40,234.32 = 19,074.29/x
  3. Step 3: Cross multiply
    29,145.42x = 40,234.32 × 19,074.29
  4. Step 4: Simplify right side
    29,145.42x = 767,440,886.46
  5. Step 5: Solve for x
    x = 767,440,886.46/29,145.42
  6. Step 6: Final answer
    x = 26,331.44

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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.