Home / 37,072.20-55,616.40-12,113.40

Finding the Fourth Proportional to 37,072.20, 55,616.40 and 12,113.40

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Solution

The fourth proportional to 37,072.20, 55,616.40 and 12,113.40 is: 18,172.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,072.20 : 55,616.40 = 12,113.40 : x
  2. Step 2: Convert to fraction form
    37,072.20/55,616.40 = 12,113.40/x
  3. Step 3: Cross multiply
    37,072.20x = 55,616.40 × 12,113.40
  4. Step 4: Simplify right side
    37,072.20x = 673,703,699.76
  5. Step 5: Solve for x
    x = 673,703,699.76/37,072.20
  6. Step 6: Final answer
    x = 18,172.75

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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.