Home / 64,531.76-96,794.16-20,153.42

Finding the Fourth Proportional to 64,531.76, 96,794.16 and 20,153.42

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Solution

The fourth proportional to 64,531.76, 96,794.16 and 20,153.42 is: 30,229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,531.76 : 96,794.16 = 20,153.42 : x
  2. Step 2: Convert to fraction form
    64,531.76/96,794.16 = 20,153.42/x
  3. Step 3: Cross multiply
    64,531.76x = 96,794.16 × 20,153.42
  4. Step 4: Simplify right side
    64,531.76x = 1,950,733,360.03
  5. Step 5: Solve for x
    x = 1,950,733,360.03/64,531.76
  6. Step 6: Final answer
    x = 30,229.04

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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.