Home / 36,329.30-54,500.14-12,638.64

Finding the Fourth Proportional to 36,329.30, 54,500.14 and 12,638.64

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Solution

The fourth proportional to 36,329.30, 54,500.14 and 12,638.64 is: 18,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,329.30 : 54,500.14 = 12,638.64 : x
  2. Step 2: Convert to fraction form
    36,329.30/54,500.14 = 12,638.64/x
  3. Step 3: Cross multiply
    36,329.30x = 54,500.14 × 12,638.64
  4. Step 4: Simplify right side
    36,329.30x = 688,807,649.41
  5. Step 5: Solve for x
    x = 688,807,649.41/36,329.30
  6. Step 6: Final answer
    x = 18,960.11

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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.