Home / 45,116.88-67,655.61-13,944.84

Finding the Fourth Proportional to 45,116.88, 67,655.61 and 13,944.84

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Solution

The fourth proportional to 45,116.88, 67,655.61 and 13,944.84 is: 20,911.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,116.88 : 67,655.61 = 13,944.84 : x
  2. Step 2: Convert to fraction form
    45,116.88/67,655.61 = 13,944.84/x
  3. Step 3: Cross multiply
    45,116.88x = 67,655.61 × 13,944.84
  4. Step 4: Simplify right side
    45,116.88x = 943,446,656.55
  5. Step 5: Solve for x
    x = 943,446,656.55/45,116.88
  6. Step 6: Final answer
    x = 20,911.17

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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.