Home / 36,130.66-54,213.27-12,768.10

Finding the Fourth Proportional to 36,130.66, 54,213.27 and 12,768.10

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Solution

The fourth proportional to 36,130.66, 54,213.27 and 12,768.10 is: 19,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.66 : 54,213.27 = 12,768.10 : x
  2. Step 2: Convert to fraction form
    36,130.66/54,213.27 = 12,768.10/x
  3. Step 3: Cross multiply
    36,130.66x = 54,213.27 × 12,768.10
  4. Step 4: Simplify right side
    36,130.66x = 692,200,452.69
  5. Step 5: Solve for x
    x = 692,200,452.69/36,130.66
  6. Step 6: Final answer
    x = 19,158.26

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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.