Home / 40,707.35-61,069.74-12,626.80

Finding the Fourth Proportional to 40,707.35, 61,069.74 and 12,626.80

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Solution

The fourth proportional to 40,707.35, 61,069.74 and 12,626.80 is: 18,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.35 : 61,069.74 = 12,626.80 : x
  2. Step 2: Convert to fraction form
    40,707.35/61,069.74 = 12,626.80/x
  3. Step 3: Cross multiply
    40,707.35x = 61,069.74 × 12,626.80
  4. Step 4: Simplify right side
    40,707.35x = 771,115,393.03
  5. Step 5: Solve for x
    x = 771,115,393.03/40,707.35
  6. Step 6: Final answer
    x = 18,942.90

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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.