Home / 37,209.40-55,814.10-10,916.80

Finding the Fourth Proportional to 37,209.40, 55,814.10 and 10,916.80

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Solution

The fourth proportional to 37,209.40, 55,814.10 and 10,916.80 is: 16,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.40 : 55,814.10 = 10,916.80 : x
  2. Step 2: Convert to fraction form
    37,209.40/55,814.10 = 10,916.80/x
  3. Step 3: Cross multiply
    37,209.40x = 55,814.10 × 10,916.80
  4. Step 4: Simplify right side
    37,209.40x = 609,311,366.88
  5. Step 5: Solve for x
    x = 609,311,366.88/37,209.40
  6. Step 6: Final answer
    x = 16,375.20

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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.