Home / 51,176.12-76,758.78-13,740.08

Finding the Fourth Proportional to 51,176.12, 76,758.78 and 13,740.08

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Solution

The fourth proportional to 51,176.12, 76,758.78 and 13,740.08 is: 20,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.12 : 76,758.78 = 13,740.08 : x
  2. Step 2: Convert to fraction form
    51,176.12/76,758.78 = 13,740.08/x
  3. Step 3: Cross multiply
    51,176.12x = 76,758.78 × 13,740.08
  4. Step 4: Simplify right side
    51,176.12x = 1,054,671,777.90
  5. Step 5: Solve for x
    x = 1,054,671,777.90/51,176.12
  6. Step 6: Final answer
    x = 20,608.67

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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.