Home / 54,259.20-81,291.60-33,458.40

Finding the Fourth Proportional to 54,259.20, 81,291.60 and 33,458.40

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Solution

The fourth proportional to 54,259.20, 81,291.60 and 33,458.40 is: 50,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,259.20 : 81,291.60 = 33,458.40 : x
  2. Step 2: Convert to fraction form
    54,259.20/81,291.60 = 33,458.40/x
  3. Step 3: Cross multiply
    54,259.20x = 81,291.60 × 33,458.40
  4. Step 4: Simplify right side
    54,259.20x = 2,719,886,869.44
  5. Step 5: Solve for x
    x = 2,719,886,869.44/54,259.20
  6. Step 6: Final answer
    x = 50,127.66

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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.