Home / 51,490.08-77,236.47-16,429.70

Finding the Fourth Proportional to 51,490.08, 77,236.47 and 16,429.70

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Solution

The fourth proportional to 51,490.08, 77,236.47 and 16,429.70 is: 24,644.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,490.08 : 77,236.47 = 16,429.70 : x
  2. Step 2: Convert to fraction form
    51,490.08/77,236.47 = 16,429.70/x
  3. Step 3: Cross multiply
    51,490.08x = 77,236.47 × 16,429.70
  4. Step 4: Simplify right side
    51,490.08x = 1,268,972,224.25
  5. Step 5: Solve for x
    x = 1,268,972,224.25/51,490.08
  6. Step 6: Final answer
    x = 24,644.98

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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.