Home / 64,650.74-96,975.92-20,280.83

Finding the Fourth Proportional to 64,650.74, 96,975.92 and 20,280.83

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Solution

The fourth proportional to 64,650.74, 96,975.92 and 20,280.83 is: 30,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,650.74 : 96,975.92 = 20,280.83 : x
  2. Step 2: Convert to fraction form
    64,650.74/96,975.92 = 20,280.83/x
  3. Step 3: Cross multiply
    64,650.74x = 96,975.92 × 20,280.83
  4. Step 4: Simplify right side
    64,650.74x = 1,966,751,561.33
  5. Step 5: Solve for x
    x = 1,966,751,561.33/64,650.74
  6. Step 6: Final answer
    x = 30,421.18

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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.