Home / 53,925.90-80,899.78-20,647.04

Finding the Fourth Proportional to 53,925.90, 80,899.78 and 20,647.04

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Solution

The fourth proportional to 53,925.90, 80,899.78 and 20,647.04 is: 30,974.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,925.90 : 80,899.78 = 20,647.04 : x
  2. Step 2: Convert to fraction form
    53,925.90/80,899.78 = 20,647.04/x
  3. Step 3: Cross multiply
    53,925.90x = 80,899.78 × 20,647.04
  4. Step 4: Simplify right side
    53,925.90x = 1,670,340,993.65
  5. Step 5: Solve for x
    x = 1,670,340,993.65/53,925.90
  6. Step 6: Final answer
    x = 30,974.74

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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.