Home / 64,455.07-96,682.61-20,085.41

Finding the Fourth Proportional to 64,455.07, 96,682.61 and 20,085.41

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Solution

The fourth proportional to 64,455.07, 96,682.61 and 20,085.41 is: 30,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.07 : 96,682.61 = 20,085.41 : x
  2. Step 2: Convert to fraction form
    64,455.07/96,682.61 = 20,085.41/x
  3. Step 3: Cross multiply
    64,455.07x = 96,682.61 × 20,085.41
  4. Step 4: Simplify right side
    64,455.07x = 1,941,909,861.72
  5. Step 5: Solve for x
    x = 1,941,909,861.72/64,455.07
  6. Step 6: Final answer
    x = 30,128.12

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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.