Home / 64,453.58-96,680.36-20,083.92

Finding the Fourth Proportional to 64,453.58, 96,680.36 and 20,083.92

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Solution

The fourth proportional to 64,453.58, 96,680.36 and 20,083.92 is: 30,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,453.58 : 96,680.36 = 20,083.92 : x
  2. Step 2: Convert to fraction form
    64,453.58/96,680.36 = 20,083.92/x
  3. Step 3: Cross multiply
    64,453.58x = 96,680.36 × 20,083.92
  4. Step 4: Simplify right side
    64,453.58x = 1,941,720,615.81
  5. Step 5: Solve for x
    x = 1,941,720,615.81/64,453.58
  6. Step 6: Final answer
    x = 30,125.88

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1.5x scale

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.