Home / 45,356.61-68,021.93-13,757.19

Finding the Fourth Proportional to 45,356.61, 68,021.93 and 13,757.19

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Solution

The fourth proportional to 45,356.61, 68,021.93 and 13,757.19 is: 20,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.61 : 68,021.93 = 13,757.19 : x
  2. Step 2: Convert to fraction form
    45,356.61/68,021.93 = 13,757.19/x
  3. Step 3: Cross multiply
    45,356.61x = 68,021.93 × 13,757.19
  4. Step 4: Simplify right side
    45,356.61x = 935,790,699.73
  5. Step 5: Solve for x
    x = 935,790,699.73/45,356.61
  6. Step 6: Final answer
    x = 20,631.85

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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.