Home / 51,931.15-77,899.84-16,393.61

Finding the Fourth Proportional to 51,931.15, 77,899.84 and 16,393.61

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Solution

The fourth proportional to 51,931.15, 77,899.84 and 16,393.61 is: 24,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.15 : 77,899.84 = 16,393.61 : x
  2. Step 2: Convert to fraction form
    51,931.15/77,899.84 = 16,393.61/x
  3. Step 3: Cross multiply
    51,931.15x = 77,899.84 × 16,393.61
  4. Step 4: Simplify right side
    51,931.15x = 1,277,059,749.79
  5. Step 5: Solve for x
    x = 1,277,059,749.79/51,931.15
  6. Step 6: Final answer
    x = 24,591.40

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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.