Home / 51,173.62-70,624.77-28,516.30

Finding the Fourth Proportional to 51,173.62, 70,624.77 and 28,516.30

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Solution

The fourth proportional to 51,173.62, 70,624.77 and 28,516.30 is: 39,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,173.62 : 70,624.77 = 28,516.30 : x
  2. Step 2: Convert to fraction form
    51,173.62/70,624.77 = 28,516.30/x
  3. Step 3: Cross multiply
    51,173.62x = 70,624.77 × 28,516.30
  4. Step 4: Simplify right side
    51,173.62x = 2,013,957,128.75
  5. Step 5: Solve for x
    x = 2,013,957,128.75/51,173.62
  6. Step 6: Final answer
    x = 39,355.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.