Home / 51,670.56-77,501.52-20,497.44

Finding the Fourth Proportional to 51,670.56, 77,501.52 and 20,497.44

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Solution

The fourth proportional to 51,670.56, 77,501.52 and 20,497.44 is: 30,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,670.56 : 77,501.52 = 20,497.44 : x
  2. Step 2: Convert to fraction form
    51,670.56/77,501.52 = 20,497.44/x
  3. Step 3: Cross multiply
    51,670.56x = 77,501.52 × 20,497.44
  4. Step 4: Simplify right side
    51,670.56x = 1,588,582,756.11
  5. Step 5: Solve for x
    x = 1,588,582,756.11/51,670.56
  6. Step 6: Final answer
    x = 30,744.45

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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.