Home / 30,381.02-41,919.08-17,626.81

Finding the Fourth Proportional to 30,381.02, 41,919.08 and 17,626.81

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Solution

The fourth proportional to 30,381.02, 41,919.08 and 17,626.81 is: 24,321.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.02 : 41,919.08 = 17,626.81 : x
  2. Step 2: Convert to fraction form
    30,381.02/41,919.08 = 17,626.81/x
  3. Step 3: Cross multiply
    30,381.02x = 41,919.08 × 17,626.81
  4. Step 4: Simplify right side
    30,381.02x = 738,899,465.60
  5. Step 5: Solve for x
    x = 738,899,465.60/30,381.02
  6. Step 6: Final answer
    x = 24,321.09

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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.