Home / 38,907.86-58,371.02-12,612.62

Finding the Fourth Proportional to 38,907.86, 58,371.02 and 12,612.62

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Solution

The fourth proportional to 38,907.86, 58,371.02 and 12,612.62 is: 18,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.86 : 58,371.02 = 12,612.62 : x
  2. Step 2: Convert to fraction form
    38,907.86/58,371.02 = 12,612.62/x
  3. Step 3: Cross multiply
    38,907.86x = 58,371.02 × 12,612.62
  4. Step 4: Simplify right side
    38,907.86x = 736,211,494.27
  5. Step 5: Solve for x
    x = 736,211,494.27/38,907.86
  6. Step 6: Final answer
    x = 18,921.92

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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.