Home / 49,670.46-74,497.68-13,638.51

Finding the Fourth Proportional to 49,670.46, 74,497.68 and 13,638.51

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Solution

The fourth proportional to 49,670.46, 74,497.68 and 13,638.51 is: 20,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,670.46 : 74,497.68 = 13,638.51 : x
  2. Step 2: Convert to fraction form
    49,670.46/74,497.68 = 13,638.51/x
  3. Step 3: Cross multiply
    49,670.46x = 74,497.68 × 13,638.51
  4. Step 4: Simplify right side
    49,670.46x = 1,016,037,353.66
  5. Step 5: Solve for x
    x = 1,016,037,353.66/49,670.46
  6. Step 6: Final answer
    x = 20,455.57

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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.