Home / 38,156.68-57,226.70-19,416.84

Finding the Fourth Proportional to 38,156.68, 57,226.70 and 19,416.84

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Solution

The fourth proportional to 38,156.68, 57,226.70 and 19,416.84 is: 29,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,156.68 : 57,226.70 = 19,416.84 : x
  2. Step 2: Convert to fraction form
    38,156.68/57,226.70 = 19,416.84/x
  3. Step 3: Cross multiply
    38,156.68x = 57,226.70 × 19,416.84
  4. Step 4: Simplify right side
    38,156.68x = 1,111,161,677.63
  5. Step 5: Solve for x
    x = 1,111,161,677.63/38,156.68
  6. Step 6: Final answer
    x = 29,121.03

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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.