Home / 65,221.61-97,835.00-20,247.66

Finding the Fourth Proportional to 65,221.61, 97,835.00 and 20,247.66

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Solution

The fourth proportional to 65,221.61, 97,835.00 and 20,247.66 is: 30,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,221.61 : 97,835.00 = 20,247.66 : x
  2. Step 2: Convert to fraction form
    65,221.61/97,835.00 = 20,247.66/x
  3. Step 3: Cross multiply
    65,221.61x = 97,835.00 × 20,247.66
  4. Step 4: Simplify right side
    65,221.61x = 1,980,929,714.86
  5. Step 5: Solve for x
    x = 1,980,929,714.86/65,221.61
  6. Step 6: Final answer
    x = 30,372.29

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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.