Home / 48,507.42-72,761.16-13,447.38

Finding the Fourth Proportional to 48,507.42, 72,761.16 and 13,447.38

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Solution

The fourth proportional to 48,507.42, 72,761.16 and 13,447.38 is: 20,171.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.42 : 72,761.16 = 13,447.38 : x
  2. Step 2: Convert to fraction form
    48,507.42/72,761.16 = 13,447.38/x
  3. Step 3: Cross multiply
    48,507.42x = 72,761.16 × 13,447.38
  4. Step 4: Simplify right side
    48,507.42x = 978,446,967.76
  5. Step 5: Solve for x
    x = 978,446,967.76/48,507.42
  6. Step 6: Final answer
    x = 20,171.08

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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.