Home / 37,930.66-52,342.40-21,160.42

Finding the Fourth Proportional to 37,930.66, 52,342.40 and 21,160.42

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Solution

The fourth proportional to 37,930.66, 52,342.40 and 21,160.42 is: 29,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,930.66 : 52,342.40 = 21,160.42 : x
  2. Step 2: Convert to fraction form
    37,930.66/52,342.40 = 21,160.42/x
  3. Step 3: Cross multiply
    37,930.66x = 52,342.40 × 21,160.42
  4. Step 4: Simplify right side
    37,930.66x = 1,107,587,167.81
  5. Step 5: Solve for x
    x = 1,107,587,167.81/37,930.66
  6. Step 6: Final answer
    x = 29,200.31

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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.