Home / 45,777.05-68,661.68-14,186.39

Finding the Fourth Proportional to 45,777.05, 68,661.68 and 14,186.39

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Solution

The fourth proportional to 45,777.05, 68,661.68 and 14,186.39 is: 21,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,777.05 : 68,661.68 = 14,186.39 : x
  2. Step 2: Convert to fraction form
    45,777.05/68,661.68 = 14,186.39/x
  3. Step 3: Cross multiply
    45,777.05x = 68,661.68 × 14,186.39
  4. Step 4: Simplify right side
    45,777.05x = 974,061,342.52
  5. Step 5: Solve for x
    x = 974,061,342.52/45,777.05
  6. Step 6: Final answer
    x = 21,278.38

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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.