Home / 36,278.42-54,424.60-12,585.06

Finding the Fourth Proportional to 36,278.42, 54,424.60 and 12,585.06

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Solution

The fourth proportional to 36,278.42, 54,424.60 and 12,585.06 is: 18,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.42 : 54,424.60 = 12,585.06 : x
  2. Step 2: Convert to fraction form
    36,278.42/54,424.60 = 12,585.06/x
  3. Step 3: Cross multiply
    36,278.42x = 54,424.60 × 12,585.06
  4. Step 4: Simplify right side
    36,278.42x = 684,936,856.48
  5. Step 5: Solve for x
    x = 684,936,856.48/36,278.42
  6. Step 6: Final answer
    x = 18,880.01

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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.