Home / 36,274.92-54,419.34-12,581.55

Finding the Fourth Proportional to 36,274.92, 54,419.34 and 12,581.55

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Solution

The fourth proportional to 36,274.92, 54,419.34 and 12,581.55 is: 18,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.92 : 54,419.34 = 12,581.55 : x
  2. Step 2: Convert to fraction form
    36,274.92/54,419.34 = 12,581.55/x
  3. Step 3: Cross multiply
    36,274.92x = 54,419.34 × 12,581.55
  4. Step 4: Simplify right side
    36,274.92x = 684,679,647.18
  5. Step 5: Solve for x
    x = 684,679,647.18/36,274.92
  6. Step 6: Final answer
    x = 18,874.74

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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.