Home / 45,511.49-68,220.36-17,423.88

Finding the Fourth Proportional to 45,511.49, 68,220.36 and 17,423.88

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Solution

The fourth proportional to 45,511.49, 68,220.36 and 17,423.88 is: 26,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,511.49 : 68,220.36 = 17,423.88 : x
  2. Step 2: Convert to fraction form
    45,511.49/68,220.36 = 17,423.88/x
  3. Step 3: Cross multiply
    45,511.49x = 68,220.36 × 17,423.88
  4. Step 4: Simplify right side
    45,511.49x = 1,188,663,366.20
  5. Step 5: Solve for x
    x = 1,188,663,366.20/45,511.49
  6. Step 6: Final answer
    x = 26,117.88

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1.5x scale

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.