Home / 43,508.50-65,254.92-19,810.40

Finding the Fourth Proportional to 43,508.50, 65,254.92 and 19,810.40

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Solution

The fourth proportional to 43,508.50, 65,254.92 and 19,810.40 is: 29,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,508.50 : 65,254.92 = 19,810.40 : x
  2. Step 2: Convert to fraction form
    43,508.50/65,254.92 = 19,810.40/x
  3. Step 3: Cross multiply
    43,508.50x = 65,254.92 × 19,810.40
  4. Step 4: Simplify right side
    43,508.50x = 1,292,726,067.17
  5. Step 5: Solve for x
    x = 1,292,726,067.17/43,508.50
  6. Step 6: Final answer
    x = 29,712.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.