Home / 45,559.20-68,338.80-33,020.40

Finding the Fourth Proportional to 45,559.20, 68,338.80 and 33,020.40

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Solution

The fourth proportional to 45,559.20, 68,338.80 and 33,020.40 is: 49,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.20 : 68,338.80 = 33,020.40 : x
  2. Step 2: Convert to fraction form
    45,559.20/68,338.80 = 33,020.40/x
  3. Step 3: Cross multiply
    45,559.20x = 68,338.80 × 33,020.40
  4. Step 4: Simplify right side
    45,559.20x = 2,256,574,511.52
  5. Step 5: Solve for x
    x = 2,256,574,511.52/45,559.20
  6. Step 6: Final answer
    x = 49,530.60

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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.