Home / 51,060.36-76,620.50-21,475.92

Finding the Fourth Proportional to 51,060.36, 76,620.50 and 21,475.92

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Solution

The fourth proportional to 51,060.36, 76,620.50 and 21,475.92 is: 32,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,060.36 : 76,620.50 = 21,475.92 : x
  2. Step 2: Convert to fraction form
    51,060.36/76,620.50 = 21,475.92/x
  3. Step 3: Cross multiply
    51,060.36x = 76,620.50 × 21,475.92
  4. Step 4: Simplify right side
    51,060.36x = 1,645,495,728.36
  5. Step 5: Solve for x
    x = 1,645,495,728.36/51,060.36
  6. Step 6: Final answer
    x = 32,226.48

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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.