Home / 45,461.83-68,192.61-20,472.62

Finding the Fourth Proportional to 45,461.83, 68,192.61 and 20,472.62

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Solution

The fourth proportional to 45,461.83, 68,192.61 and 20,472.62 is: 30,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,461.83 : 68,192.61 = 20,472.62 : x
  2. Step 2: Convert to fraction form
    45,461.83/68,192.61 = 20,472.62/x
  3. Step 3: Cross multiply
    45,461.83x = 68,192.61 × 20,472.62
  4. Step 4: Simplify right side
    45,461.83x = 1,396,081,391.34
  5. Step 5: Solve for x
    x = 1,396,081,391.34/45,461.83
  6. Step 6: Final answer
    x = 30,708.87

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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.