Home / 51,320.64-76,983.12-16,259.52

Finding the Fourth Proportional to 51,320.64, 76,983.12 and 16,259.52

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Solution

The fourth proportional to 51,320.64, 76,983.12 and 16,259.52 is: 24,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320.64 : 76,983.12 = 16,259.52 : x
  2. Step 2: Convert to fraction form
    51,320.64/76,983.12 = 16,259.52/x
  3. Step 3: Cross multiply
    51,320.64x = 76,983.12 × 16,259.52
  4. Step 4: Simplify right side
    51,320.64x = 1,251,708,579.30
  5. Step 5: Solve for x
    x = 1,251,708,579.30/51,320.64
  6. Step 6: Final answer
    x = 24,389.96

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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.