Home / 30,276.90-45,524.70-29,620.80

Finding the Fourth Proportional to 30,276.90, 45,524.70 and 29,620.80

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Solution

The fourth proportional to 30,276.90, 45,524.70 and 29,620.80 is: 44,538.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.90 : 45,524.70 = 29,620.80 : x
  2. Step 2: Convert to fraction form
    30,276.90/45,524.70 = 29,620.80/x
  3. Step 3: Cross multiply
    30,276.90x = 45,524.70 × 29,620.80
  4. Step 4: Simplify right side
    30,276.90x = 1,348,478,033.76
  5. Step 5: Solve for x
    x = 1,348,478,033.76/30,276.90
  6. Step 6: Final answer
    x = 44,538.18

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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.