Home / 49,815.83-74,740.15-20,225.72

Finding the Fourth Proportional to 49,815.83, 74,740.15 and 20,225.72

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Solution

The fourth proportional to 49,815.83, 74,740.15 and 20,225.72 is: 30,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,815.83 : 74,740.15 = 20,225.72 : x
  2. Step 2: Convert to fraction form
    49,815.83/74,740.15 = 20,225.72/x
  3. Step 3: Cross multiply
    49,815.83x = 74,740.15 × 20,225.72
  4. Step 4: Simplify right side
    49,815.83x = 1,511,673,346.66
  5. Step 5: Solve for x
    x = 1,511,673,346.66/49,815.83
  6. Step 6: Final answer
    x = 30,345.24

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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.