Home / 48,428.32-66,849.94-30,519.82

Finding the Fourth Proportional to 48,428.32, 66,849.94 and 30,519.82

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Solution

The fourth proportional to 48,428.32, 66,849.94 and 30,519.82 is: 42,129.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,428.32 : 66,849.94 = 30,519.82 : x
  2. Step 2: Convert to fraction form
    48,428.32/66,849.94 = 30,519.82/x
  3. Step 3: Cross multiply
    48,428.32x = 66,849.94 × 30,519.82
  4. Step 4: Simplify right side
    48,428.32x = 2,040,248,135.81
  5. Step 5: Solve for x
    x = 2,040,248,135.81/48,428.32
  6. Step 6: Final answer
    x = 42,129.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.