Home / 45,812.54-68,620.08-30,939.68

Finding the Fourth Proportional to 45,812.54, 68,620.08 and 30,939.68

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Solution

The fourth proportional to 45,812.54, 68,620.08 and 30,939.68 is: 46,342.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.54 : 68,620.08 = 30,939.68 : x
  2. Step 2: Convert to fraction form
    45,812.54/68,620.08 = 30,939.68/x
  3. Step 3: Cross multiply
    45,812.54x = 68,620.08 × 30,939.68
  4. Step 4: Simplify right side
    45,812.54x = 2,123,083,316.77
  5. Step 5: Solve for x
    x = 2,123,083,316.77/45,812.54
  6. Step 6: Final answer
    x = 46,342.84

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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.