Home / 43,299.38-64,950.95-13,719.39

Finding the Fourth Proportional to 43,299.38, 64,950.95 and 13,719.39

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Solution

The fourth proportional to 43,299.38, 64,950.95 and 13,719.39 is: 20,579.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299.38 : 64,950.95 = 13,719.39 : x
  2. Step 2: Convert to fraction form
    43,299.38/64,950.95 = 13,719.39/x
  3. Step 3: Cross multiply
    43,299.38x = 64,950.95 × 13,719.39
  4. Step 4: Simplify right side
    43,299.38x = 891,087,448.22
  5. Step 5: Solve for x
    x = 891,087,448.22/43,299.38
  6. Step 6: Final answer
    x = 20,579.68

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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.