Home / 37,165.04-51,287.68-20,397.68

Finding the Fourth Proportional to 37,165.04, 51,287.68 and 20,397.68

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Solution

The fourth proportional to 37,165.04, 51,287.68 and 20,397.68 is: 28,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,165.04 : 51,287.68 = 20,397.68 : x
  2. Step 2: Convert to fraction form
    37,165.04/51,287.68 = 20,397.68/x
  3. Step 3: Cross multiply
    37,165.04x = 51,287.68 × 20,397.68
  4. Step 4: Simplify right side
    37,165.04x = 1,046,149,684.58
  5. Step 5: Solve for x
    x = 1,046,149,684.58/37,165.04
  6. Step 6: Final answer
    x = 28,148.76

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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.