Home / 36,146.08-54,219.68-12,756.16

Finding the Fourth Proportional to 36,146.08, 54,219.68 and 12,756.16

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Solution

The fourth proportional to 36,146.08, 54,219.68 and 12,756.16 is: 19,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.08 : 54,219.68 = 12,756.16 : x
  2. Step 2: Convert to fraction form
    36,146.08/54,219.68 = 12,756.16/x
  3. Step 3: Cross multiply
    36,146.08x = 54,219.68 × 12,756.16
  4. Step 4: Simplify right side
    36,146.08x = 691,634,913.23
  5. Step 5: Solve for x
    x = 691,634,913.23/36,146.08
  6. Step 6: Final answer
    x = 19,134.44

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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.