Home / 39,057.58-58,589.12-19,330.84

Finding the Fourth Proportional to 39,057.58, 58,589.12 and 19,330.84

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Solution

The fourth proportional to 39,057.58, 58,589.12 and 19,330.84 is: 28,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,057.58 : 58,589.12 = 19,330.84 : x
  2. Step 2: Convert to fraction form
    39,057.58/58,589.12 = 19,330.84/x
  3. Step 3: Cross multiply
    39,057.58x = 58,589.12 × 19,330.84
  4. Step 4: Simplify right side
    39,057.58x = 1,132,576,943.63
  5. Step 5: Solve for x
    x = 1,132,576,943.63/39,057.58
  6. Step 6: Final answer
    x = 28,997.62

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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.