Home / 45,141.37-67,711.95-13,551.39

Finding the Fourth Proportional to 45,141.37, 67,711.95 and 13,551.39

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Solution

The fourth proportional to 45,141.37, 67,711.95 and 13,551.39 is: 20,327.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,141.37 : 67,711.95 = 13,551.39 : x
  2. Step 2: Convert to fraction form
    45,141.37/67,711.95 = 13,551.39/x
  3. Step 3: Cross multiply
    45,141.37x = 67,711.95 × 13,551.39
  4. Step 4: Simplify right side
    45,141.37x = 917,591,042.11
  5. Step 5: Solve for x
    x = 917,591,042.11/45,141.37
  6. Step 6: Final answer
    x = 20,327.05

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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.