Home / 51,390.72-77,030.78-33,614.68

Finding the Fourth Proportional to 51,390.72, 77,030.78 and 33,614.68

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Solution

The fourth proportional to 51,390.72, 77,030.78 and 33,614.68 is: 50,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,390.72 : 77,030.78 = 33,614.68 : x
  2. Step 2: Convert to fraction form
    51,390.72/77,030.78 = 33,614.68/x
  3. Step 3: Cross multiply
    51,390.72x = 77,030.78 × 33,614.68
  4. Step 4: Simplify right side
    51,390.72x = 2,589,365,019.85
  5. Step 5: Solve for x
    x = 2,589,365,019.85/51,390.72
  6. Step 6: Final answer
    x = 50,385.85

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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.