Home / 37,167.04-51,289.96-20,400.04

Finding the Fourth Proportional to 37,167.04, 51,289.96 and 20,400.04

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Solution

The fourth proportional to 37,167.04, 51,289.96 and 20,400.04 is: 28,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,167.04 : 51,289.96 = 20,400.04 : x
  2. Step 2: Convert to fraction form
    37,167.04/51,289.96 = 20,400.04/x
  3. Step 3: Cross multiply
    37,167.04x = 51,289.96 × 20,400.04
  4. Step 4: Simplify right side
    37,167.04x = 1,046,317,235.60
  5. Step 5: Solve for x
    x = 1,046,317,235.60/37,167.04
  6. Step 6: Final answer
    x = 28,151.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.