Home / 51,176.72-70,618.83-28,514.84

Finding the Fourth Proportional to 51,176.72, 70,618.83 and 28,514.84

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Solution

The fourth proportional to 51,176.72, 70,618.83 and 28,514.84 is: 39,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.72 : 70,618.83 = 28,514.84 : x
  2. Step 2: Convert to fraction form
    51,176.72/70,618.83 = 28,514.84/x
  3. Step 3: Cross multiply
    51,176.72x = 70,618.83 × 28,514.84
  4. Step 4: Simplify right side
    51,176.72x = 2,013,684,285.34
  5. Step 5: Solve for x
    x = 2,013,684,285.34/51,176.72
  6. Step 6: Final answer
    x = 39,347.67

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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.