Home / 45,014.00-67,519.54-13,424.32

Finding the Fourth Proportional to 45,014.00, 67,519.54 and 13,424.32

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Solution

The fourth proportional to 45,014.00, 67,519.54 and 13,424.32 is: 20,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.00 : 67,519.54 = 13,424.32 : x
  2. Step 2: Convert to fraction form
    45,014.00/67,519.54 = 13,424.32/x
  3. Step 3: Cross multiply
    45,014.00x = 67,519.54 × 13,424.32
  4. Step 4: Simplify right side
    45,014.00x = 906,403,911.21
  5. Step 5: Solve for x
    x = 906,403,911.21/45,014.00
  6. Step 6: Final answer
    x = 20,136.05

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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.