Home / 35,397.90-48,849.27-20,291.43

Finding the Fourth Proportional to 35,397.90, 48,849.27 and 20,291.43

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Solution

The fourth proportional to 35,397.90, 48,849.27 and 20,291.43 is: 28,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,397.90 : 48,849.27 = 20,291.43 : x
  2. Step 2: Convert to fraction form
    35,397.90/48,849.27 = 20,291.43/x
  3. Step 3: Cross multiply
    35,397.90x = 48,849.27 × 20,291.43
  4. Step 4: Simplify right side
    35,397.90x = 991,221,542.76
  5. Step 5: Solve for x
    x = 991,221,542.76/35,397.90
  6. Step 6: Final answer
    x = 28,002.27

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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.