Home / 37,830-52,205.40-21,066.96

Finding the Fourth Proportional to 37,830, 52,205.40 and 21,066.96

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Solution

The fourth proportional to 37,830, 52,205.40 and 21,066.96 is: 29,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,830 : 52,205.40 = 21,066.96 : x
  2. Step 2: Convert to fraction form
    37,830/52,205.40 = 21,066.96/x
  3. Step 3: Cross multiply
    37,830x = 52,205.40 × 21,066.96
  4. Step 4: Simplify right side
    37,830x = 1,099,809,073.58
  5. Step 5: Solve for x
    x = 1,099,809,073.58/37,830
  6. Step 6: Final answer
    x = 29,072.40

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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.