Home / 38,769.68-58,163.34-13,812.36

Finding the Fourth Proportional to 38,769.68, 58,163.34 and 13,812.36

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Solution

The fourth proportional to 38,769.68, 58,163.34 and 13,812.36 is: 20,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.68 : 58,163.34 = 13,812.36 : x
  2. Step 2: Convert to fraction form
    38,769.68/58,163.34 = 13,812.36/x
  3. Step 3: Cross multiply
    38,769.68x = 58,163.34 × 13,812.36
  4. Step 4: Simplify right side
    38,769.68x = 803,372,990.88
  5. Step 5: Solve for x
    x = 803,372,990.88/38,769.68
  6. Step 6: Final answer
    x = 20,721.68

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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.