Home / 36,114.40-54,173.12-12,740.96

Finding the Fourth Proportional to 36,114.40, 54,173.12 and 12,740.96

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Solution

The fourth proportional to 36,114.40, 54,173.12 and 12,740.96 is: 19,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,114.40 : 54,173.12 = 12,740.96 : x
  2. Step 2: Convert to fraction form
    36,114.40/54,173.12 = 12,740.96/x
  3. Step 3: Cross multiply
    36,114.40x = 54,173.12 × 12,740.96
  4. Step 4: Simplify right side
    36,114.40x = 690,217,555.00
  5. Step 5: Solve for x
    x = 690,217,555.00/36,114.40
  6. Step 6: Final answer
    x = 19,111.98

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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.