Home / 36,216.92-54,312.08-12,518.39

Finding the Fourth Proportional to 36,216.92, 54,312.08 and 12,518.39

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Solution

The fourth proportional to 36,216.92, 54,312.08 and 12,518.39 is: 18,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,216.92 : 54,312.08 = 12,518.39 : x
  2. Step 2: Convert to fraction form
    36,216.92/54,312.08 = 12,518.39/x
  3. Step 3: Cross multiply
    36,216.92x = 54,312.08 × 12,518.39
  4. Step 4: Simplify right side
    36,216.92x = 679,899,872.34
  5. Step 5: Solve for x
    x = 679,899,872.34/36,216.92
  6. Step 6: Final answer
    x = 18,772.99

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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.