Home / 54,365.20-81,555.92-19,301.92

Finding the Fourth Proportional to 54,365.20, 81,555.92 and 19,301.92

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Solution

The fourth proportional to 54,365.20, 81,555.92 and 19,301.92 is: 28,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,365.20 : 81,555.92 = 19,301.92 : x
  2. Step 2: Convert to fraction form
    54,365.20/81,555.92 = 19,301.92/x
  3. Step 3: Cross multiply
    54,365.20x = 81,555.92 × 19,301.92
  4. Step 4: Simplify right side
    54,365.20x = 1,574,185,843.37
  5. Step 5: Solve for x
    x = 1,574,185,843.37/54,365.20
  6. Step 6: Final answer
    x = 28,955.76

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1.5x scale

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.