Home / 30,619.20-45,928.80-29,452.80

Finding the Fourth Proportional to 30,619.20, 45,928.80 and 29,452.80

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Solution

The fourth proportional to 30,619.20, 45,928.80 and 29,452.80 is: 44,179.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.20 : 45,928.80 = 29,452.80 : x
  2. Step 2: Convert to fraction form
    30,619.20/45,928.80 = 29,452.80/x
  3. Step 3: Cross multiply
    30,619.20x = 45,928.80 × 29,452.80
  4. Step 4: Simplify right side
    30,619.20x = 1,352,731,760.64
  5. Step 5: Solve for x
    x = 1,352,731,760.64/30,619.20
  6. Step 6: Final answer
    x = 44,179.20

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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.