Home / 64,516.77-96,775.12-20,147.33

Finding the Fourth Proportional to 64,516.77, 96,775.12 and 20,147.33

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Solution

The fourth proportional to 64,516.77, 96,775.12 and 20,147.33 is: 30,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516.77 : 96,775.12 = 20,147.33 : x
  2. Step 2: Convert to fraction form
    64,516.77/96,775.12 = 20,147.33/x
  3. Step 3: Cross multiply
    64,516.77x = 96,775.12 × 20,147.33
  4. Step 4: Simplify right side
    64,516.77x = 1,949,759,794.55
  5. Step 5: Solve for x
    x = 1,949,759,794.55/64,516.77
  6. Step 6: Final answer
    x = 30,220.98

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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.