Home / 64,311.21-96,463.08-19,331.60

Finding the Fourth Proportional to 64,311.21, 96,463.08 and 19,331.60

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Solution

The fourth proportional to 64,311.21, 96,463.08 and 19,331.60 is: 28,996.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,311.21 : 96,463.08 = 19,331.60 : x
  2. Step 2: Convert to fraction form
    64,311.21/96,463.08 = 19,331.60/x
  3. Step 3: Cross multiply
    64,311.21x = 96,463.08 × 19,331.60
  4. Step 4: Simplify right side
    64,311.21x = 1,864,785,195.01
  5. Step 5: Solve for x
    x = 1,864,785,195.01/64,311.21
  6. Step 6: Final answer
    x = 28,996.27

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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.