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Finding the Fourth Proportional to 35,453, 53,157.36 and 13,254.68

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Solution

The fourth proportional to 35,453, 53,157.36 and 13,254.68 is: 19,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453 : 53,157.36 = 13,254.68 : x
  2. Step 2: Convert to fraction form
    35,453/53,157.36 = 13,254.68/x
  3. Step 3: Cross multiply
    35,453x = 53,157.36 × 13,254.68
  4. Step 4: Simplify right side
    35,453x = 704,583,796.44
  5. Step 5: Solve for x
    x = 704,583,796.44/35,453
  6. Step 6: Final answer
    x = 19,873.74

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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.