Home / 30,546.92-45,795.78-13,898.39

Finding the Fourth Proportional to 30,546.92, 45,795.78 and 13,898.39

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Solution

The fourth proportional to 30,546.92, 45,795.78 and 13,898.39 is: 20,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.92 : 45,795.78 = 13,898.39 : x
  2. Step 2: Convert to fraction form
    30,546.92/45,795.78 = 13,898.39/x
  3. Step 3: Cross multiply
    30,546.92x = 45,795.78 × 13,898.39
  4. Step 4: Simplify right side
    30,546.92x = 636,487,381.82
  5. Step 5: Solve for x
    x = 636,487,381.82/30,546.92
  6. Step 6: Final answer
    x = 20,836.38

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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.