Home / 45,103.14-67,635.09-21,417.51

Finding the Fourth Proportional to 45,103.14, 67,635.09 and 21,417.51

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Solution

The fourth proportional to 45,103.14, 67,635.09 and 21,417.51 is: 32,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.14 : 67,635.09 = 21,417.51 : x
  2. Step 2: Convert to fraction form
    45,103.14/67,635.09 = 21,417.51/x
  3. Step 3: Cross multiply
    45,103.14x = 67,635.09 × 21,417.51
  4. Step 4: Simplify right side
    45,103.14x = 1,448,575,216.43
  5. Step 5: Solve for x
    x = 1,448,575,216.43/45,103.14
  6. Step 6: Final answer
    x = 32,116.95

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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.