Home / 49,074.40-73,611.60-28,280.80

Finding the Fourth Proportional to 49,074.40, 73,611.60 and 28,280.80

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Solution

The fourth proportional to 49,074.40, 73,611.60 and 28,280.80 is: 42,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,074.40 : 73,611.60 = 28,280.80 : x
  2. Step 2: Convert to fraction form
    49,074.40/73,611.60 = 28,280.80/x
  3. Step 3: Cross multiply
    49,074.40x = 73,611.60 × 28,280.80
  4. Step 4: Simplify right side
    49,074.40x = 2,081,794,937.28
  5. Step 5: Solve for x
    x = 2,081,794,937.28/49,074.40
  6. Step 6: Final answer
    x = 42,421.20

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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.