Home / 43,854.19-65,789.39-13,875.97

Finding the Fourth Proportional to 43,854.19, 65,789.39 and 13,875.97

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Solution

The fourth proportional to 43,854.19, 65,789.39 and 13,875.97 is: 20,816.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854.19 : 65,789.39 = 13,875.97 : x
  2. Step 2: Convert to fraction form
    43,854.19/65,789.39 = 13,875.97/x
  3. Step 3: Cross multiply
    43,854.19x = 65,789.39 × 13,875.97
  4. Step 4: Simplify right side
    43,854.19x = 912,891,437.48
  5. Step 5: Solve for x
    x = 912,891,437.48/43,854.19
  6. Step 6: Final answer
    x = 20,816.52

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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.