Home / 30,635.10-45,911.76-16,374.36

Finding the Fourth Proportional to 30,635.10, 45,911.76 and 16,374.36

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Solution

The fourth proportional to 30,635.10, 45,911.76 and 16,374.36 is: 24,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.10 : 45,911.76 = 16,374.36 : x
  2. Step 2: Convert to fraction form
    30,635.10/45,911.76 = 16,374.36/x
  3. Step 3: Cross multiply
    30,635.10x = 45,911.76 × 16,374.36
  4. Step 4: Simplify right side
    30,635.10x = 751,775,686.47
  5. Step 5: Solve for x
    x = 751,775,686.47/30,635.10
  6. Step 6: Final answer
    x = 24,539.68

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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.