Home / 39,050.91-58,582.08-12,388

Finding the Fourth Proportional to 39,050.91, 58,582.08 and 12,388

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Solution

The fourth proportional to 39,050.91, 58,582.08 and 12,388 is: 18,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,050.91 : 58,582.08 = 12,388 : x
  2. Step 2: Convert to fraction form
    39,050.91/58,582.08 = 12,388/x
  3. Step 3: Cross multiply
    39,050.91x = 58,582.08 × 12,388
  4. Step 4: Simplify right side
    39,050.91x = 725,714,807.04
  5. Step 5: Solve for x
    x = 725,714,807.04/39,050.91
  6. Step 6: Final answer
    x = 18,583.81

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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.