Home / 43,302.38-64,955.34-13,719.56

Finding the Fourth Proportional to 43,302.38, 64,955.34 and 13,719.56

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Solution

The fourth proportional to 43,302.38, 64,955.34 and 13,719.56 is: 20,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,302.38 : 64,955.34 = 13,719.56 : x
  2. Step 2: Convert to fraction form
    43,302.38/64,955.34 = 13,719.56/x
  3. Step 3: Cross multiply
    43,302.38x = 64,955.34 × 13,719.56
  4. Step 4: Simplify right side
    43,302.38x = 891,158,359.67
  5. Step 5: Solve for x
    x = 891,158,359.67/43,302.38
  6. Step 6: Final answer
    x = 20,579.90

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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.