Home / 42,544.49-63,826.25-12,964.64

Finding the Fourth Proportional to 42,544.49, 63,826.25 and 12,964.64

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Solution

The fourth proportional to 42,544.49, 63,826.25 and 12,964.64 is: 19,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,544.49 : 63,826.25 = 12,964.64 : x
  2. Step 2: Convert to fraction form
    42,544.49/63,826.25 = 12,964.64/x
  3. Step 3: Cross multiply
    42,544.49x = 63,826.25 × 12,964.64
  4. Step 4: Simplify right side
    42,544.49x = 827,483,969.85
  5. Step 5: Solve for x
    x = 827,483,969.85/42,544.49
  6. Step 6: Final answer
    x = 19,449.85

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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.