Home / 36,018.32-54,051.12-12,644.16

Finding the Fourth Proportional to 36,018.32, 54,051.12 and 12,644.16

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Solution

The fourth proportional to 36,018.32, 54,051.12 and 12,644.16 is: 18,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.32 : 54,051.12 = 12,644.16 : x
  2. Step 2: Convert to fraction form
    36,018.32/54,051.12 = 12,644.16/x
  3. Step 3: Cross multiply
    36,018.32x = 54,051.12 × 12,644.16
  4. Step 4: Simplify right side
    36,018.32x = 683,431,009.46
  5. Step 5: Solve for x
    x = 683,431,009.46/36,018.32
  6. Step 6: Final answer
    x = 18,974.54

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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.