Home / 64,581-96,867.90-20,202.54

Finding the Fourth Proportional to 64,581, 96,867.90 and 20,202.54

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Solution

The fourth proportional to 64,581, 96,867.90 and 20,202.54 is: 30,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,581 : 96,867.90 = 20,202.54 : x
  2. Step 2: Convert to fraction form
    64,581/96,867.90 = 20,202.54/x
  3. Step 3: Cross multiply
    64,581x = 96,867.90 × 20,202.54
  4. Step 4: Simplify right side
    64,581x = 1,956,977,624.47
  5. Step 5: Solve for x
    x = 1,956,977,624.47/64,581
  6. Step 6: Final answer
    x = 30,302.68

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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.