Home / 51,997.32-78,009.81-16,459.32

Finding the Fourth Proportional to 51,997.32, 78,009.81 and 16,459.32

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Solution

The fourth proportional to 51,997.32, 78,009.81 and 16,459.32 is: 24,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,997.32 : 78,009.81 = 16,459.32 : x
  2. Step 2: Convert to fraction form
    51,997.32/78,009.81 = 16,459.32/x
  3. Step 3: Cross multiply
    51,997.32x = 78,009.81 × 16,459.32
  4. Step 4: Simplify right side
    51,997.32x = 1,283,988,425.93
  5. Step 5: Solve for x
    x = 1,283,988,425.93/51,997.32
  6. Step 6: Final answer
    x = 24,693.36

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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.