Home / 65,214.72-97,833.06-20,225.70

Finding the Fourth Proportional to 65,214.72, 97,833.06 and 20,225.70

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Solution

The fourth proportional to 65,214.72, 97,833.06 and 20,225.70 is: 30,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,214.72 : 97,833.06 = 20,225.70 : x
  2. Step 2: Convert to fraction form
    65,214.72/97,833.06 = 20,225.70/x
  3. Step 3: Cross multiply
    65,214.72x = 97,833.06 × 20,225.70
  4. Step 4: Simplify right side
    65,214.72x = 1,978,742,121.64
  5. Step 5: Solve for x
    x = 1,978,742,121.64/65,214.72
  6. Step 6: Final answer
    x = 30,341.96

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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.