Home / 43,316.34-64,983.68-13,730.28

Finding the Fourth Proportional to 43,316.34, 64,983.68 and 13,730.28

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Solution

The fourth proportional to 43,316.34, 64,983.68 and 13,730.28 is: 20,598.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,316.34 : 64,983.68 = 13,730.28 : x
  2. Step 2: Convert to fraction form
    43,316.34/64,983.68 = 13,730.28/x
  3. Step 3: Cross multiply
    43,316.34x = 64,983.68 × 13,730.28
  4. Step 4: Simplify right side
    43,316.34x = 892,244,121.83
  5. Step 5: Solve for x
    x = 892,244,121.83/43,316.34
  6. Step 6: Final answer
    x = 20,598.33

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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.