Home / 51,941.44-77,919.68-16,390.72

Finding the Fourth Proportional to 51,941.44, 77,919.68 and 16,390.72

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Solution

The fourth proportional to 51,941.44, 77,919.68 and 16,390.72 is: 24,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,941.44 : 77,919.68 = 16,390.72 : x
  2. Step 2: Convert to fraction form
    51,941.44/77,919.68 = 16,390.72/x
  3. Step 3: Cross multiply
    51,941.44x = 77,919.68 × 16,390.72
  4. Step 4: Simplify right side
    51,941.44x = 1,277,159,657.37
  5. Step 5: Solve for x
    x = 1,277,159,657.37/51,941.44
  6. Step 6: Final answer
    x = 24,588.45

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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.