Home / 49,032.88-73,479.78-20,539.14

Finding the Fourth Proportional to 49,032.88, 73,479.78 and 20,539.14

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Solution

The fourth proportional to 49,032.88, 73,479.78 and 20,539.14 is: 30,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,032.88 : 73,479.78 = 20,539.14 : x
  2. Step 2: Convert to fraction form
    49,032.88/73,479.78 = 20,539.14/x
  3. Step 3: Cross multiply
    49,032.88x = 73,479.78 × 20,539.14
  4. Step 4: Simplify right side
    49,032.88x = 1,509,211,488.59
  5. Step 5: Solve for x
    x = 1,509,211,488.59/49,032.88
  6. Step 6: Final answer
    x = 30,779.58

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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.