Home / 43,250.05-64,869.49-13,670.87

Finding the Fourth Proportional to 43,250.05, 64,869.49 and 13,670.87

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Solution

The fourth proportional to 43,250.05, 64,869.49 and 13,670.87 is: 20,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,250.05 : 64,869.49 = 13,670.87 : x
  2. Step 2: Convert to fraction form
    43,250.05/64,869.49 = 13,670.87/x
  3. Step 3: Cross multiply
    43,250.05x = 64,869.49 × 13,670.87
  4. Step 4: Simplify right side
    43,250.05x = 886,822,330.58
  5. Step 5: Solve for x
    x = 886,822,330.58/43,250.05
  6. Step 6: Final answer
    x = 20,504.54

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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.