Home / 40,707.10-61,069.36-12,626.54

Finding the Fourth Proportional to 40,707.10, 61,069.36 and 12,626.54

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Solution

The fourth proportional to 40,707.10, 61,069.36 and 12,626.54 is: 18,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.10 : 61,069.36 = 12,626.54 : x
  2. Step 2: Convert to fraction form
    40,707.10/61,069.36 = 12,626.54/x
  3. Step 3: Cross multiply
    40,707.10x = 61,069.36 × 12,626.54
  4. Step 4: Simplify right side
    40,707.10x = 771,094,716.81
  5. Step 5: Solve for x
    x = 771,094,716.81/40,707.10
  6. Step 6: Final answer
    x = 18,942.51

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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.