Home / 39,041.88-58,563.95-12,387.99

Finding the Fourth Proportional to 39,041.88, 58,563.95 and 12,387.99

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Solution

The fourth proportional to 39,041.88, 58,563.95 and 12,387.99 is: 18,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,041.88 : 58,563.95 = 12,387.99 : x
  2. Step 2: Convert to fraction form
    39,041.88/58,563.95 = 12,387.99/x
  3. Step 3: Cross multiply
    39,041.88x = 58,563.95 × 12,387.99
  4. Step 4: Simplify right side
    39,041.88x = 725,489,626.96
  5. Step 5: Solve for x
    x = 725,489,626.96/39,041.88
  6. Step 6: Final answer
    x = 18,582.34

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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.