Home / 24,871.64-37,307.51-20,479.87

Finding the Fourth Proportional to 24,871.64, 37,307.51 and 20,479.87

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Solution

The fourth proportional to 24,871.64, 37,307.51 and 20,479.87 is: 30,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,871.64 : 37,307.51 = 20,479.87 : x
  2. Step 2: Convert to fraction form
    24,871.64/37,307.51 = 20,479.87/x
  3. Step 3: Cross multiply
    24,871.64x = 37,307.51 × 20,479.87
  4. Step 4: Simplify right side
    24,871.64x = 764,052,954.82
  5. Step 5: Solve for x
    x = 764,052,954.82/24,871.64
  6. Step 6: Final answer
    x = 30,719.85

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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.