Home / 36,208.05-54,319.32-12,516.45

Finding the Fourth Proportional to 36,208.05, 54,319.32 and 12,516.45

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Solution

The fourth proportional to 36,208.05, 54,319.32 and 12,516.45 is: 18,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,208.05 : 54,319.32 = 12,516.45 : x
  2. Step 2: Convert to fraction form
    36,208.05/54,319.32 = 12,516.45/x
  3. Step 3: Cross multiply
    36,208.05x = 54,319.32 × 12,516.45
  4. Step 4: Simplify right side
    36,208.05x = 679,885,052.81
  5. Step 5: Solve for x
    x = 679,885,052.81/36,208.05
  6. Step 6: Final answer
    x = 18,777.18

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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.