Home / 45,291-67,944.18-14,120.04

Finding the Fourth Proportional to 45,291, 67,944.18 and 14,120.04

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Solution

The fourth proportional to 45,291, 67,944.18 and 14,120.04 is: 21,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291 : 67,944.18 = 14,120.04 : x
  2. Step 2: Convert to fraction form
    45,291/67,944.18 = 14,120.04/x
  3. Step 3: Cross multiply
    45,291x = 67,944.18 × 14,120.04
  4. Step 4: Simplify right side
    45,291x = 959,374,539.37
  5. Step 5: Solve for x
    x = 959,374,539.37/45,291
  6. Step 6: Final answer
    x = 21,182.45

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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.