Home / 39,287.99-58,937.51-12,625.04

Finding the Fourth Proportional to 39,287.99, 58,937.51 and 12,625.04

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Solution

The fourth proportional to 39,287.99, 58,937.51 and 12,625.04 is: 18,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,287.99 : 58,937.51 = 12,625.04 : x
  2. Step 2: Convert to fraction form
    39,287.99/58,937.51 = 12,625.04/x
  3. Step 3: Cross multiply
    39,287.99x = 58,937.51 × 12,625.04
  4. Step 4: Simplify right side
    39,287.99x = 744,088,600.16
  5. Step 5: Solve for x
    x = 744,088,600.16/39,287.99
  6. Step 6: Final answer
    x = 18,939.34

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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.