Home / 37,209.65-55,756.13-31,640.09

Finding the Fourth Proportional to 37,209.65, 55,756.13 and 31,640.09

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Solution

The fourth proportional to 37,209.65, 55,756.13 and 31,640.09 is: 47,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,209.65 : 55,756.13 = 31,640.09 : x
  2. Step 2: Convert to fraction form
    37,209.65/55,756.13 = 31,640.09/x
  3. Step 3: Cross multiply
    37,209.65x = 55,756.13 × 31,640.09
  4. Step 4: Simplify right side
    37,209.65x = 1,764,128,534.27
  5. Step 5: Solve for x
    x = 1,764,128,534.27/37,209.65
  6. Step 6: Final answer
    x = 47,410.52

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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.