Home / 38,840.24-58,248-12,538.86

Finding the Fourth Proportional to 38,840.24, 58,248 and 12,538.86

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Solution

The fourth proportional to 38,840.24, 58,248 and 12,538.86 is: 18,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.24 : 58,248 = 12,538.86 : x
  2. Step 2: Convert to fraction form
    38,840.24/58,248 = 12,538.86/x
  3. Step 3: Cross multiply
    38,840.24x = 58,248 × 12,538.86
  4. Step 4: Simplify right side
    38,840.24x = 730,363,517.28
  5. Step 5: Solve for x
    x = 730,363,517.28/38,840.24
  6. Step 6: Final answer
    x = 18,804.30

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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.