Home / 37,011.68-55,520.04-13,639.76

Finding the Fourth Proportional to 37,011.68, 55,520.04 and 13,639.76

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Solution

The fourth proportional to 37,011.68, 55,520.04 and 13,639.76 is: 20,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,011.68 : 55,520.04 = 13,639.76 : x
  2. Step 2: Convert to fraction form
    37,011.68/55,520.04 = 13,639.76/x
  3. Step 3: Cross multiply
    37,011.68x = 55,520.04 × 13,639.76
  4. Step 4: Simplify right side
    37,011.68x = 757,280,020.79
  5. Step 5: Solve for x
    x = 757,280,020.79/37,011.68
  6. Step 6: Final answer
    x = 20,460.57

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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.