Home / 36,279.42-54,426.10-12,586.06

Finding the Fourth Proportional to 36,279.42, 54,426.10 and 12,586.06

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Solution

The fourth proportional to 36,279.42, 54,426.10 and 12,586.06 is: 18,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.42 : 54,426.10 = 12,586.06 : x
  2. Step 2: Convert to fraction form
    36,279.42/54,426.10 = 12,586.06/x
  3. Step 3: Cross multiply
    36,279.42x = 54,426.10 × 12,586.06
  4. Step 4: Simplify right side
    36,279.42x = 685,010,160.17
  5. Step 5: Solve for x
    x = 685,010,160.17/36,279.42
  6. Step 6: Final answer
    x = 18,881.51

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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.