Home / 43,141.92-64,719.44-13,557

Finding the Fourth Proportional to 43,141.92, 64,719.44 and 13,557

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Solution

The fourth proportional to 43,141.92, 64,719.44 and 13,557 is: 20,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.92 : 64,719.44 = 13,557 : x
  2. Step 2: Convert to fraction form
    43,141.92/64,719.44 = 13,557/x
  3. Step 3: Cross multiply
    43,141.92x = 64,719.44 × 13,557
  4. Step 4: Simplify right side
    43,141.92x = 877,401,448.08
  5. Step 5: Solve for x
    x = 877,401,448.08/43,141.92
  6. Step 6: Final answer
    x = 20,337.56

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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.