Home / 42,481.64-63,682.65-14,382.03

Finding the Fourth Proportional to 42,481.64, 63,682.65 and 14,382.03

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Solution

The fourth proportional to 42,481.64, 63,682.65 and 14,382.03 is: 21,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,481.64 : 63,682.65 = 14,382.03 : x
  2. Step 2: Convert to fraction form
    42,481.64/63,682.65 = 14,382.03/x
  3. Step 3: Cross multiply
    42,481.64x = 63,682.65 × 14,382.03
  4. Step 4: Simplify right side
    42,481.64x = 915,885,782.78
  5. Step 5: Solve for x
    x = 915,885,782.78/42,481.64
  6. Step 6: Final answer
    x = 21,559.57

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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.