Home / 45,554.17-68,267.02-21,512.82

Finding the Fourth Proportional to 45,554.17, 68,267.02 and 21,512.82

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Solution

The fourth proportional to 45,554.17, 68,267.02 and 21,512.82 is: 32,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554.17 : 68,267.02 = 21,512.82 : x
  2. Step 2: Convert to fraction form
    45,554.17/68,267.02 = 21,512.82/x
  3. Step 3: Cross multiply
    45,554.17x = 68,267.02 × 21,512.82
  4. Step 4: Simplify right side
    45,554.17x = 1,468,616,113.20
  5. Step 5: Solve for x
    x = 1,468,616,113.20/45,554.17
  6. Step 6: Final answer
    x = 32,238.90

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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.