Home / 51,409.04-77,112.12-16,350.80

Finding the Fourth Proportional to 51,409.04, 77,112.12 and 16,350.80

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Solution

The fourth proportional to 51,409.04, 77,112.12 and 16,350.80 is: 24,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,409.04 : 77,112.12 = 16,350.80 : x
  2. Step 2: Convert to fraction form
    51,409.04/77,112.12 = 16,350.80/x
  3. Step 3: Cross multiply
    51,409.04x = 77,112.12 × 16,350.80
  4. Step 4: Simplify right side
    51,409.04x = 1,260,844,851.70
  5. Step 5: Solve for x
    x = 1,260,844,851.70/51,409.04
  6. Step 6: Final answer
    x = 24,525.74

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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.