Home / 37,393.79-51,602.46-20,398.42

Finding the Fourth Proportional to 37,393.79, 51,602.46 and 20,398.42

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Solution

The fourth proportional to 37,393.79, 51,602.46 and 20,398.42 is: 28,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,393.79 : 51,602.46 = 20,398.42 : x
  2. Step 2: Convert to fraction form
    37,393.79/51,602.46 = 20,398.42/x
  3. Step 3: Cross multiply
    37,393.79x = 51,602.46 × 20,398.42
  4. Step 4: Simplify right side
    37,393.79x = 1,052,608,394.10
  5. Step 5: Solve for x
    x = 1,052,608,394.10/37,393.79
  6. Step 6: Final answer
    x = 28,149.28

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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.