Home / 38,629.38-57,907.08-12,317.07

Finding the Fourth Proportional to 38,629.38, 57,907.08 and 12,317.07

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Solution

The fourth proportional to 38,629.38, 57,907.08 and 12,317.07 is: 18,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.38 : 57,907.08 = 12,317.07 : x
  2. Step 2: Convert to fraction form
    38,629.38/57,907.08 = 12,317.07/x
  3. Step 3: Cross multiply
    38,629.38x = 57,907.08 × 12,317.07
  4. Step 4: Simplify right side
    38,629.38x = 713,245,557.86
  5. Step 5: Solve for x
    x = 713,245,557.86/38,629.38
  6. Step 6: Final answer
    x = 18,463.81

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1.5x scale

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.