Home / 37,383.12-51,585.12-20,615.04

Finding the Fourth Proportional to 37,383.12, 51,585.12 and 20,615.04

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Solution

The fourth proportional to 37,383.12, 51,585.12 and 20,615.04 is: 28,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,383.12 : 51,585.12 = 20,615.04 : x
  2. Step 2: Convert to fraction form
    37,383.12/51,585.12 = 20,615.04/x
  3. Step 3: Cross multiply
    37,383.12x = 51,585.12 × 20,615.04
  4. Step 4: Simplify right side
    37,383.12x = 1,063,429,312.20
  5. Step 5: Solve for x
    x = 1,063,429,312.20/37,383.12
  6. Step 6: Final answer
    x = 28,446.78

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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.