Home / 50,580.16-75,872.40-15,521.20

Finding the Fourth Proportional to 50,580.16, 75,872.40 and 15,521.20

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Solution

The fourth proportional to 50,580.16, 75,872.40 and 15,521.20 is: 23,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,580.16 : 75,872.40 = 15,521.20 : x
  2. Step 2: Convert to fraction form
    50,580.16/75,872.40 = 15,521.20/x
  3. Step 3: Cross multiply
    50,580.16x = 75,872.40 × 15,521.20
  4. Step 4: Simplify right side
    50,580.16x = 1,177,630,237.91
  5. Step 5: Solve for x
    x = 1,177,630,237.91/50,580.16
  6. Step 6: Final answer
    x = 23,282.46

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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.