Home / 54,557.20-81,738.60-33,756.40

Finding the Fourth Proportional to 54,557.20, 81,738.60 and 33,756.40

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Solution

The fourth proportional to 54,557.20, 81,738.60 and 33,756.40 is: 50,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,557.20 : 81,738.60 = 33,756.40 : x
  2. Step 2: Convert to fraction form
    54,557.20/81,738.60 = 33,756.40/x
  3. Step 3: Cross multiply
    54,557.20x = 81,738.60 × 33,756.40
  4. Step 4: Simplify right side
    54,557.20x = 2,759,200,877.04
  5. Step 5: Solve for x
    x = 2,759,200,877.04/54,557.20
  6. Step 6: Final answer
    x = 50,574.46

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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.