Home / 43,154.48-64,747.30-15,078.68

Finding the Fourth Proportional to 43,154.48, 64,747.30 and 15,078.68

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Solution

The fourth proportional to 43,154.48, 64,747.30 and 15,078.68 is: 22,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,154.48 : 64,747.30 = 15,078.68 : x
  2. Step 2: Convert to fraction form
    43,154.48/64,747.30 = 15,078.68/x
  3. Step 3: Cross multiply
    43,154.48x = 64,747.30 × 15,078.68
  4. Step 4: Simplify right side
    43,154.48x = 976,303,817.56
  5. Step 5: Solve for x
    x = 976,303,817.56/43,154.48
  6. Step 6: Final answer
    x = 22,623.46

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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.