Home / 39,019.03-58,530.99-15,642.43

Finding the Fourth Proportional to 39,019.03, 58,530.99 and 15,642.43

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Solution

The fourth proportional to 39,019.03, 58,530.99 and 15,642.43 is: 23,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,019.03 : 58,530.99 = 15,642.43 : x
  2. Step 2: Convert to fraction form
    39,019.03/58,530.99 = 15,642.43/x
  3. Step 3: Cross multiply
    39,019.03x = 58,530.99 × 15,642.43
  4. Step 4: Simplify right side
    39,019.03x = 915,566,913.91
  5. Step 5: Solve for x
    x = 915,566,913.91/39,019.03
  6. Step 6: Final answer
    x = 23,464.63

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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.