Home / 54,780.99-75,596.49-30,907.05

Finding the Fourth Proportional to 54,780.99, 75,596.49 and 30,907.05

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Solution

The fourth proportional to 54,780.99, 75,596.49 and 30,907.05 is: 42,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.99 : 75,596.49 = 30,907.05 : x
  2. Step 2: Convert to fraction form
    54,780.99/75,596.49 = 30,907.05/x
  3. Step 3: Cross multiply
    54,780.99x = 75,596.49 × 30,907.05
  4. Step 4: Simplify right side
    54,780.99x = 2,336,464,496.25
  5. Step 5: Solve for x
    x = 2,336,464,496.25/54,780.99
  6. Step 6: Final answer
    x = 42,651.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.