Home / 35,398.90-48,850.65-20,292.43

Finding the Fourth Proportional to 35,398.90, 48,850.65 and 20,292.43

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Solution

The fourth proportional to 35,398.90, 48,850.65 and 20,292.43 is: 28,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.90 : 48,850.65 = 20,292.43 : x
  2. Step 2: Convert to fraction form
    35,398.90/48,850.65 = 20,292.43/x
  3. Step 3: Cross multiply
    35,398.90x = 48,850.65 × 20,292.43
  4. Step 4: Simplify right side
    35,398.90x = 991,298,395.58
  5. Step 5: Solve for x
    x = 991,298,395.58/35,398.90
  6. Step 6: Final answer
    x = 28,003.65

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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.