Home / 30,464.24-42,028.28-19,850

Finding the Fourth Proportional to 30,464.24, 42,028.28 and 19,850

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Solution

The fourth proportional to 30,464.24, 42,028.28 and 19,850 is: 27,384.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,464.24 : 42,028.28 = 19,850 : x
  2. Step 2: Convert to fraction form
    30,464.24/42,028.28 = 19,850/x
  3. Step 3: Cross multiply
    30,464.24x = 42,028.28 × 19,850
  4. Step 4: Simplify right side
    30,464.24x = 834,261,358
  5. Step 5: Solve for x
    x = 834,261,358/30,464.24
  6. Step 6: Final answer
    x = 27,384.94

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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.