Home / 51,996.32-78,008.31-16,458.32

Finding the Fourth Proportional to 51,996.32, 78,008.31 and 16,458.32

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Solution

The fourth proportional to 51,996.32, 78,008.31 and 16,458.32 is: 24,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,996.32 : 78,008.31 = 16,458.32 : x
  2. Step 2: Convert to fraction form
    51,996.32/78,008.31 = 16,458.32/x
  3. Step 3: Cross multiply
    51,996.32x = 78,008.31 × 16,458.32
  4. Step 4: Simplify right side
    51,996.32x = 1,283,885,728.64
  5. Step 5: Solve for x
    x = 1,283,885,728.64/51,996.32
  6. Step 6: Final answer
    x = 24,691.86

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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.