Home / 45,213.75-67,820.63-17,511.75

Finding the Fourth Proportional to 45,213.75, 67,820.63 and 17,511.75

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Solution

The fourth proportional to 45,213.75, 67,820.63 and 17,511.75 is: 26,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,213.75 : 67,820.63 = 17,511.75 : x
  2. Step 2: Convert to fraction form
    45,213.75/67,820.63 = 17,511.75/x
  3. Step 3: Cross multiply
    45,213.75x = 67,820.63 × 17,511.75
  4. Step 4: Simplify right side
    45,213.75x = 1,187,657,829.84
  5. Step 5: Solve for x
    x = 1,187,657,829.84/45,213.75
  6. Step 6: Final answer
    x = 26,267.63

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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.