Home / 63,928.80-95,821.20-30,664.80

Finding the Fourth Proportional to 63,928.80, 95,821.20 and 30,664.80

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Solution

The fourth proportional to 63,928.80, 95,821.20 and 30,664.80 is: 45,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,928.80 : 95,821.20 = 30,664.80 : x
  2. Step 2: Convert to fraction form
    63,928.80/95,821.20 = 30,664.80/x
  3. Step 3: Cross multiply
    63,928.80x = 95,821.20 × 30,664.80
  4. Step 4: Simplify right side
    63,928.80x = 2,938,337,933.76
  5. Step 5: Solve for x
    x = 2,938,337,933.76/63,928.80
  6. Step 6: Final answer
    x = 45,962.66

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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.