Home / 40,742.28-61,113.47-11,160.37

Finding the Fourth Proportional to 40,742.28, 61,113.47 and 11,160.37

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Solution

The fourth proportional to 40,742.28, 61,113.47 and 11,160.37 is: 16,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.28 : 61,113.47 = 11,160.37 : x
  2. Step 2: Convert to fraction form
    40,742.28/61,113.47 = 11,160.37/x
  3. Step 3: Cross multiply
    40,742.28x = 61,113.47 × 11,160.37
  4. Step 4: Simplify right side
    40,742.28x = 682,048,728.60
  5. Step 5: Solve for x
    x = 682,048,728.60/40,742.28
  6. Step 6: Final answer
    x = 16,740.56

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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.