Home / 64,391.49-96,586.79-20,018.18

Finding the Fourth Proportional to 64,391.49, 96,586.79 and 20,018.18

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Solution

The fourth proportional to 64,391.49, 96,586.79 and 20,018.18 is: 30,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.49 : 96,586.79 = 20,018.18 : x
  2. Step 2: Convert to fraction form
    64,391.49/96,586.79 = 20,018.18/x
  3. Step 3: Cross multiply
    64,391.49x = 96,586.79 × 20,018.18
  4. Step 4: Simplify right side
    64,391.49x = 1,933,491,164.82
  5. Step 5: Solve for x
    x = 1,933,491,164.82/64,391.49
  6. Step 6: Final answer
    x = 30,027.12

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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.