Home / 45,323.54-67,961.96-20,342.17

Finding the Fourth Proportional to 45,323.54, 67,961.96 and 20,342.17

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Solution

The fourth proportional to 45,323.54, 67,961.96 and 20,342.17 is: 30,502.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.54 : 67,961.96 = 20,342.17 : x
  2. Step 2: Convert to fraction form
    45,323.54/67,961.96 = 20,342.17/x
  3. Step 3: Cross multiply
    45,323.54x = 67,961.96 × 20,342.17
  4. Step 4: Simplify right side
    45,323.54x = 1,382,493,302.33
  5. Step 5: Solve for x
    x = 1,382,493,302.33/45,323.54
  6. Step 6: Final answer
    x = 30,502.77

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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.