Home / 40,904.87-61,358.07-12,824.30

Finding the Fourth Proportional to 40,904.87, 61,358.07 and 12,824.30

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Solution

The fourth proportional to 40,904.87, 61,358.07 and 12,824.30 is: 19,236.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.87 : 61,358.07 = 12,824.30 : x
  2. Step 2: Convert to fraction form
    40,904.87/61,358.07 = 12,824.30/x
  3. Step 3: Cross multiply
    40,904.87x = 61,358.07 × 12,824.30
  4. Step 4: Simplify right side
    40,904.87x = 786,874,297.10
  5. Step 5: Solve for x
    x = 786,874,297.10/40,904.87
  6. Step 6: Final answer
    x = 19,236.69

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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.