Home / 74,374.08-111,493.68-26,978.15

Finding the Fourth Proportional to 74,374.08, 111,493.68 and 26,978.15

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Solution

The fourth proportional to 74,374.08, 111,493.68 and 26,978.15 is: 40,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,374.08 : 111,493.68 = 26,978.15 : x
  2. Step 2: Convert to fraction form
    74,374.08/111,493.68 = 26,978.15/x
  3. Step 3: Cross multiply
    74,374.08x = 111,493.68 × 26,978.15
  4. Step 4: Simplify right side
    74,374.08x = 3,007,892,665.62
  5. Step 5: Solve for x
    x = 3,007,892,665.62/74,374.08
  6. Step 6: Final answer
    x = 40,442.75

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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.