Home / 43,299-64,950.39-13,719.02

Finding the Fourth Proportional to 43,299, 64,950.39 and 13,719.02

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Solution

The fourth proportional to 43,299, 64,950.39 and 13,719.02 is: 20,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,299 : 64,950.39 = 13,719.02 : x
  2. Step 2: Convert to fraction form
    43,299/64,950.39 = 13,719.02/x
  3. Step 3: Cross multiply
    43,299x = 64,950.39 × 13,719.02
  4. Step 4: Simplify right side
    43,299x = 891,055,374.67
  5. Step 5: Solve for x
    x = 891,055,374.67/43,299
  6. Step 6: Final answer
    x = 20,579.12

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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.