Home / 45,613.01-68,419.35-12,333.07

Finding the Fourth Proportional to 45,613.01, 68,419.35 and 12,333.07

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Solution

The fourth proportional to 45,613.01, 68,419.35 and 12,333.07 is: 18,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,613.01 : 68,419.35 = 12,333.07 : x
  2. Step 2: Convert to fraction form
    45,613.01/68,419.35 = 12,333.07/x
  3. Step 3: Cross multiply
    45,613.01x = 68,419.35 × 12,333.07
  4. Step 4: Simplify right side
    45,613.01x = 843,820,814.64
  5. Step 5: Solve for x
    x = 843,820,814.64/45,613.01
  6. Step 6: Final answer
    x = 18,499.56

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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.