Home / 37,209.20-55,813.80-28,461.20

Finding the Fourth Proportional to 37,209.20, 55,813.80 and 28,461.20

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Solution

The fourth proportional to 37,209.20, 55,813.80 and 28,461.20 is: 42,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.20 : 55,813.80 = 28,461.20 : x
  2. Step 2: Convert to fraction form
    37,209.20/55,813.80 = 28,461.20/x
  3. Step 3: Cross multiply
    37,209.20x = 55,813.80 × 28,461.20
  4. Step 4: Simplify right side
    37,209.20x = 1,588,527,724.56
  5. Step 5: Solve for x
    x = 1,588,527,724.56/37,209.20
  6. Step 6: Final answer
    x = 42,691.80

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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.