Home / 37,431.19-51,654.27-20,435.77

Finding the Fourth Proportional to 37,431.19, 51,654.27 and 20,435.77

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Solution

The fourth proportional to 37,431.19, 51,654.27 and 20,435.77 is: 28,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.19 : 51,654.27 = 20,435.77 : x
  2. Step 2: Convert to fraction form
    37,431.19/51,654.27 = 20,435.77/x
  3. Step 3: Cross multiply
    37,431.19x = 51,654.27 × 20,435.77
  4. Step 4: Simplify right side
    37,431.19x = 1,055,594,781.24
  5. Step 5: Solve for x
    x = 1,055,594,781.24/37,431.19
  6. Step 6: Final answer
    x = 28,200.94

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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.