Home / 40,626.50-56,079.64-30,584.07

Finding the Fourth Proportional to 40,626.50, 56,079.64 and 30,584.07

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Solution

The fourth proportional to 40,626.50, 56,079.64 and 30,584.07 is: 42,217.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,626.50 : 56,079.64 = 30,584.07 : x
  2. Step 2: Convert to fraction form
    40,626.50/56,079.64 = 30,584.07/x
  3. Step 3: Cross multiply
    40,626.50x = 56,079.64 × 30,584.07
  4. Step 4: Simplify right side
    40,626.50x = 1,715,143,571.60
  5. Step 5: Solve for x
    x = 1,715,143,571.60/40,626.50
  6. Step 6: Final answer
    x = 42,217.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.