Home / 64,039.20-96,076.08-19,665.12

Finding the Fourth Proportional to 64,039.20, 96,076.08 and 19,665.12

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Solution

The fourth proportional to 64,039.20, 96,076.08 and 19,665.12 is: 29,502.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,039.20 : 96,076.08 = 19,665.12 : x
  2. Step 2: Convert to fraction form
    64,039.20/96,076.08 = 19,665.12/x
  3. Step 3: Cross multiply
    64,039.20x = 96,076.08 × 19,665.12
  4. Step 4: Simplify right side
    64,039.20x = 1,889,347,642.33
  5. Step 5: Solve for x
    x = 1,889,347,642.33/64,039.20
  6. Step 6: Final answer
    x = 29,502.99

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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.