Home / 51,893.57-77,840.40-14,453.72

Finding the Fourth Proportional to 51,893.57, 77,840.40 and 14,453.72

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Solution

The fourth proportional to 51,893.57, 77,840.40 and 14,453.72 is: 21,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,893.57 : 77,840.40 = 14,453.72 : x
  2. Step 2: Convert to fraction form
    51,893.57/77,840.40 = 14,453.72/x
  3. Step 3: Cross multiply
    51,893.57x = 77,840.40 × 14,453.72
  4. Step 4: Simplify right side
    51,893.57x = 1,125,082,957.09
  5. Step 5: Solve for x
    x = 1,125,082,957.09/51,893.57
  6. Step 6: Final answer
    x = 21,680.59

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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.